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Trip from Chicago, IL to Greenville, IL

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Oct 16, 2026 · Editorial standards

Drive Time

4h 53m

Distance

261 mi

420 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$44

one way

EV Charging

Good

8 stations

Best Time to Leave

Save up to 40 min
4 AM
4h 40m ★
6 AM
4h 53m
8 AM
5h 20m
10 AM
5h 3m
12 PM
5h 0m
3 PM
5h 4m
5 PM
5h 19m
8 PM
4h 45m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Downtown chicago-il

Chicago, IL

Otoniel Alvarado

Downtown Greenville, IL, IL

Greenville, IL

Samual lim

Trip Overview

Chicago, IL to Greenville, IL is 261 miles and takes about 4h 53m via I 57, with a fuel budget near $41 and enough daylight to finish in a day. This trip stays within Illinois, traversing the Midwest for its entirety. It's a straightforward drive, mostly on major interstates, making it a practical choice for a quick trip. Given the relatively short duration and high highway percentage, you can expect a direct and efficient journey, perfect if you're looking for minimal fuss.

Trip Pace

Same-day drive is realistic

A same-day return is possible, but it will make for a full day on the road.

Break Rhythm

1 planned break

Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.

Midpoint

130.5 miles from Chicago, IL

A natural place for your longest stop of the day , about 2h 27m into the drive .

Main Roads

Road Distance Duration
I 57 200.8 mi 3h 40m
I 70 46.8 mi 50m
Dan Ryan Expressway (Express) 8.8 mi 11m
Illinois Route 127 2.1 mi 4m
Dan Ryan Expressway 0.7 mi <1m
South 3rd Street 0.4 mi <1m
West Cermak Road 0.2 mi <1m
South Halsted Street 0.1 mi <1m
Longest stretch: I 57 — 200.8 mi, about 3h 40m

Traffic on I-70

Hour-of-day weekday pattern from 16 FHWA count stations on your route.

Peak

3 PM

~1,261 veh/hr typical · worst 1,677

Quietest

2 AM

~249 veh/hr

Peak-to-quiet ratio

5.1×

busier at peak than in the quiet hours

12a 6a noon 6p 11p

Averaged across 99 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).

Turn-by-Turn Driving Directions

Step-by-step road directions between Chicago, IL and Greenville, IL.

1

Start on this road

0.2 mi · 1 min · this road
2

At end of road, turn right onto West Cermak Road

0.2 mi · 26 sec · West Cermak Road
3

Turn left onto South Halsted Street

0.1 mi · 17 sec · South Halsted Street
Use the left lane.
4

Turn right onto South Canalport Avenue

285 ft · 5 sec · South Canalport Avenue
5

Turn slight right

110 ft · 4 sec
6

Take the ramp

455 ft · 11 sec
Toward I 90 East, I 94 East
7

Keep slight left at fork

0.2 mi · 22 sec
Toward I 90, I 94 East: Indiana Use the slight left / slight right lanes.
8

Merge onto I 90; I 94

0.7 mi · 47 sec · Dan Ryan Expressway
Use the straight / slight right lanes.
9

Keep slight left at fork onto I 90; I 94

8.8 mi · 11 min · Dan Ryan Expressway (Express)
Toward I 90 Express, I 94 Express Use the straight / slight right lanes.
10

Keep slight right at fork onto I 57

201 mi · 3 hr 40 min · I 57
Exit 63 Toward I 57 South: Memphis Use the slight right lane.
11

Keep slight right at fork onto I 70

47 mi · 50 min · I 70
Toward I 70 West: Saint Louis
12

Take the exit

0.5 mi · 1 min
Exit 45 Toward IL 127: Greenville, Carlyle
13

Turn right onto IL 127

2.1 mi · 4 min · Illinois Route 127
14

Continue on IL 127

0.1 mi · 17 sec · West Harris Ave
15

Turn right onto IL 127

0.4 mi · 53 sec · South 3rd Street
16

Arrive at destination

IL 127

Trip Plan

Since this is a single-day trip, leaving Chicago in the morning will give you plenty of time to reach Greenville. The drive is about 4 hours and 53 minutes, so plan for one stop to stretch your legs and refuel. Keep an eye on your fuel gauge, especially during the long 200.8-mile stretch on I 57, as services might be more spread out in certain sections. The flexibility of a single-day drive means you can depart a little later if needed, but an early start is best for a relaxed pace.

Morning Departure

An early start around 7-8 AM gets you there with plenty of daylight left.

Evening Departure

A late afternoon start means arriving after dark. Morning is better.

You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 130.5 miles from Chicago, IL, or about 2h 27m into the drive.
The longest continuous stretch on this route runs about 200.8 miles.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 57 miles or 1h 6m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 130.5 miles or 2h 27m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 3h 59m

Traffic, exits, and arrival timing usually matter more near Greenville, IL than in the middle of the route.

Before You Leave

+

Open the route before leaving Chicago, IL so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

Day 1

Settle into the route from Chicago, IL

This is one driving day of about 261 miles and 4h 53m.

Your first comfortable stop window is around 57 miles from Chicago, IL.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 57 for about 200.8 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Downtown Champaign, IL, IL

Mid-route town

Meal stop

Champaign, IL

131 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Joliet, IL

Fuel and coffee

A short stop after about 57 miles helps settle the day before fatigue starts building.

Champaign, IL

Meal break

The midpoint is around 130.5 miles from Chicago, IL, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before I 57 if your tank is already low. That segment runs about 200.8 miles.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Stops Along Your Drive

Picked by where they fit in your drive — first break, midpoint reset, final stretch.

Best meal stop · home stretch

Denny's Restaurant

4.1 ★ ★ ★ ★ ☆

Vandalia, Illinois

Near the end, right off the route

Home stretch · 21min to go 0.6 mi from route ~1 min detour $10 to $20

Hours: 5 am–12 pm

+16182839880

Visit website

Han 202 Restaurant

4.8 ★ ★ ★ ★ ★

Chicago, Illinois

0.9 mi

Triple Crown Restaurant

4.2 ★ ★ ★ ★ ☆

Chicago, Illinois

1 mi

Best coffee break

Gio's Cafe And Deli

4.7 ★ ★ ★ ★ ★

Chicago, Illinois

Near the start, right off the route

0.6 mi from route ~1 min detour $20 to $30

Hours: 10 am–9:30 pm

+13122256368

Visit website

Taipei Cafe

4.3 ★ ★ ★ ★ ☆

Chicago, Illinois

0.4 mi

Kristoffer's Cafe & Bakery

4.7 ★ ★ ★ ★ ★

Chicago, Illinois

0.6 mi

Denny's Restaurant

4.1 ★ ★ ★ ★ ☆

Near the end, right off the route

Home stretch 0.6 mi from route ~1 min detour $10 to $20

Vandalia, Illinois

Hours: 5 am–12 pm

+16182839880

Visit website

Han 202 Restaurant

4.8 ★ ★ ★ ★ ★

Near the start, right off the route

0.9 mi from route ~2 min detour Moderately

Chicago, Illinois

Hours: 5–10 pm

+13129491314

Visit website

Triple Crown Restaurant

4.2 ★ ★ ★ ★ ☆

Near the start, right off the route

1 mi from route ~2 min detour $20 to $30

Chicago, Illinois

Hours: 11 am–9 pm

+13128420088

Visit website

New Furama Restaurant

4.4 ★ ★ ★ ★ ☆

Near the start, short detour

1.1 mi from route ~3 min detour $20 to $30

Chicago, Illinois

Hours: 9 am–9 pm

+13122256888

Visit website

Yolks & Berries

4.6 ★ ★ ★ ★ ★

Early in the drive, short detour

Early stretch 1.3 mi from route ~3 min detour $10 to $20

Bradley, Illinois

Hours: 7 am–2 pm

+18159351501

Visit website

Effingham Food Express

4.7 ★ ★ ★ ★ ★

Later in the drive, short detour

Final third 1.4 mi from route ~4 min detour $10 to $20

Effingham, Illinois

Visit website

McDonald's

3.7 ★ ★ ★ ★ ☆

Later in the drive, short detour

Final third 1.3 mi from route ~3 min detour Inexpensiv

Effingham, Illinois

Hours: Open 24 hours

+12173422605

Visit website

China Buffet Effingham

3.8 ★ ★ ★ ★ ☆

Later in the drive, short detour

Final third 1.4 mi from route ~4 min detour $10 to $20

Effingham, Illinois

Hours: 11 am–9 pm

+12173423188

Visit website

Gio's Cafe And Deli

4.7 ★ ★ ★ ★ ★

Near the start, right off the route

0.6 mi from route ~1 min detour $20 to $30

Chicago, Illinois

Hours: 10 am–9:30 pm

+13122256368

Visit website

Taipei Cafe

4.3 ★ ★ ★ ★ ☆

Near the start, right off the route

0.4 mi from route ~1 min detour $10 to $20

Chicago, Illinois

Hours: 11 am–10 pm

+13123741986

Visit website

Kristoffer's Cafe & Bakery

4.7 ★ ★ ★ ★ ★

Near the start, right off the route

0.6 mi from route ~1 min detour $1 to $10

Chicago, Illinois

Hours: 7:30 am–5 pm

+13128294150

Visit website

La Bodega Cafe

4.6 ★ ★ ★ ★ ★

Near the start, right off the route

First break 0.3 mi from route ~1 min detour $10 to $20

Posen, Illinois

Hours: 7 am–8 pm

Visit website

Cafe Jumping Bean

4.7 ★ ★ ★ ★ ★

Near the start, right off the route

0.8 mi from route ~2 min detour $10 to $20

Chicago, Illinois

Hours: 6 am–7 pm

+13124550019

Visit website

Cafe Bionda

4.6 ★ ★ ★ ★ ★

Near the start, short detour

1.2 mi from route ~3 min detour Moderately

Chicago, Illinois

Hours: 4 pm–12 am

+17088661243

Visit website

Ceres Cafe

4.5 ★ ★ ★ ★ ★

Near the start, short detour

2.1 mi from route ~5 min detour $20 to $30

Chicago, Illinois

Hours: 7 am–8 pm

+13124273443

Visit website

Studious Hifi Coffee Shop

4.8 ★ ★ ★ ★ ★

Near the start, short detour

First break 2 mi from route ~5 min detour $10 to $20

Blue Island, Illinois

Hours: 7:30 am–2 pm

+16123315934

Visit website

Tesla Supercharger

4.5 ★ ★ ★ ★ ★

Around the midpoint, short detour

Halfway reset 1 mi from route ~3 min detour

Champaign, Illinois

Hours: Open 24 hours

+18777983752

Visit website

Electrify America Charging Station

3.5 ★ ★ ★ ★ ☆

Around the midpoint, short detour

Halfway reset 1 mi from route ~3 min detour

Champaign, Illinois

Hours: Open 24 hours

+18336322778

Visit website

EV Connect Charging Station

5.0 ★ ★ ★ ★ ★

Around the midpoint, short detour

Halfway reset 1.9 mi from route ~5 min detour

Champaign, Illinois

+18668167584

Circle K | Electric Vehicle Charging Station

2.5 ★ ★ ★ ☆ ☆

Around the midpoint, right off the route

Halfway reset 0.4 mi from route ~1 min detour

Champaign, Illinois

Hours: Open 24 hours

+18335052291

Visit website

Tesla Supercharger

4.7 ★ ★ ★ ★ ★

Later in the drive, short detour

Final third 3.2 mi from route ~8 min detour

Effingham, Illinois

Hours: Open 24 hours

+18777983752

Visit website

Tesla Supercharger

4.5 ★ ★ ★ ★ ★

Later in the drive, short detour

Final third 3.1 mi from route ~8 min detour

Effingham, Illinois

Hours: Open 24 hours

Visit website

Nissan Charging Station

3.0 ★ ★ ★ ☆ ☆

Around the midpoint, short detour

Halfway reset 1.8 mi from route ~4 min detour

Champaign, Illinois

Hours: Open 24 hours

+12173528910

Visit website

Electric Vehicle Charging Station

5.0 ★ ★ ★ ★ ★

Around the midpoint, short detour

Halfway reset 3.1 mi from route ~8 min detour

Champaign, Illinois

Visit website

MY Garage Museum & Retail Store

4.8 ★ ★ ★ ★ ★

Later in the drive, short detour

Final third 1 mi from route ~3 min detour

Effingham, Illinois

Hours: 8 am–5 pm

+12175404277

Visit website

Subway

4.3 ★ ★ ★ ★ ☆

Later in the drive, short detour

Final third 1.4 mi from route ~3 min detour Inexpensiv

Effingham, Illinois

Hours: 10 am–8 pm

+12173470701

Visit website

Subway

4.5 ★ ★ ★ ★ ★

Near the end, short detour

Home stretch 2.8 mi from route ~7 min detour Inexpensiv

Altamont, Illinois

Hours: 9:30 am–9 pm

+16184839066

Visit website

Taqueria Don Pedro

4.3 ★ ★ ★ ★ ☆

Later in the drive, short detour

Final third 3.1 mi from route ~8 min detour Inexpensiv

Effingham, Illinois

Visit website

McAlister's Deli

4.4 ★ ★ ★ ★ ☆

Later in the drive, short detour

Final third 3.4 mi from route ~8 min detour $10 to $20

Effingham, Illinois

Hours: 10:30 am–9 pm

+12172407175

Visit website

Subway

4.0 ★ ★ ★ ★ ☆

Near the start, short detour

2.8 mi from route ~7 min detour Inexpensiv

Chicago, Illinois

Hours: 8 am–2 pm

+13123210900

Visit website

Subway

4.0 ★ ★ ★ ★ ☆

Near the start, short detour

2.8 mi from route ~7 min detour Inexpensiv

Chicago, Illinois

Hours: Open 24 hours

+13127339553

Visit website

Tk Grille

4.4 ★ ★ ★ ★ ☆

Later in the drive, short detour

Final third 3.2 mi from route ~8 min detour $20 to $30

Effingham, Illinois

Hours: 6–10 am

+12175407716

Place data sourced from public business listings. Hours and availability may vary.

Heads-up: tricky spots

5 of 12

5 decision points cluster between mile 0.4 and 258 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

6
0.4 mi into trip | ~1m in | South Halsted Street

Turn left onto South Halsted Street

Lane positioning matters here

Use the left lane.
9
0.7 mi into trip | ~2m in

Keep slight left at fork toward I 90, I 94 East: Indiana

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight left / slight right lanes. Toward I 90, I 94 East: Indiana
8
1.6 mi into trip | ~3m in | I 90; I 94 / Dan Ryan Expressway (Express)

Keep slight left at fork onto I 90; I 94 / Dan Ryan Expressway (Express) toward I 90 Express, I 94 Express

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Toward I 90 Express, I 94 Express
8
10.4 mi into trip | ~15m in | I 57

Keep slight right at fork onto I 57 toward I 57 South: Memphis

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight right lane. Exit 63 Toward I 57 South: Memphis
6
258 mi into trip | ~4h 46m in

Take the exit toward IL 127: Greenville, Carlyle

Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one

Exit 45 Toward IL 127: Greenville, Carlyle

Fuel & Cost

Regular Gas

$43.54 one way

$87.08 round trip

$4.24/gal 25.4 MPG avg 91 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.61 $47.32 $94.64
premium $5.26 $54.04 $108.08
diesel $6.18 $63.49 $126.99

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$44

Meals

$25–$50

Total

$69–$94

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 91.3 kg one way. Prices: EIA weekly data, 2026-10-12.

Driving Electric?

About $27 in charging · 0 stops · 66% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 78.3 0 $27.41 $12.53
Efficient EV 65.3 0 $22.84 $10.44
EV Truck/SUV 104.4 1 $36.54 $16.70

Gas CO2

91 kg

EV CO2

31 kg (66% less)

Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Oct 15, 2026

Origin

Chicago, IL

Morning in Chicago on Friday

Local time

6:29 AM

CDT

Current temp

62°F

Rain Showers

ESE 10 mph 80% chance Live forecast

Dense Fog Advisory

Dense Fog Advisory issued October 14 at 11:34PM CDT until October 15 at 8:00AM CDT by NWS Paducah KY

Destination

Greenville, IL

Morning in Greenville on Friday

Local time

6:29 AM

CDT

Current temp

65°F

Slight Chance Rain Showers

E 2 mph 18% chance Live forecast

Dense Fog Advisory

Dense Fog Advisory issued October 14 at 11:34PM CDT until October 15 at 8:00AM CDT by NWS Paducah KY

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

3 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

4h 53m on the road

An early start around 7-8 AM gets you there with plenty of daylight left.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

National Parks Near This Route

Worth a detour if your schedule allows.

Pullman National Historical Park

Pullman National Historical Park

National Historical Park

In a growing Chicago neighborhood, diverse people and stories intertwined. All were seeking opportunity. Some succeeded. Others were limited—by race, gender, or economic status. Their stories came tog...

3 mi from route ~8 min detour Free near mile 9
Caution: Road Construction Near the Park
View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

What kind of drive is this?

You'll spend virtually all of your time on highways, with 99% of the 261 miles on major roads like I 57, I 70, and the Dan Ryan Expressway. The longest continuous stretch without needing to exit is a substantial 200.8 miles on I 57. You'll notice a high density of exits and merging traffic, especially in and around the Chicago metropolitan area, before transitioning to more open highway cruising.

99% highway — fuel and pacing are the main things to plan.
16 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 200.8 mi on I 57.

How Hard Is This Drive?

6/10

This is a straightforward highway drive that stays mostly on I 57 and I 70. You will hit about 12 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.4 miles in near South Halsted Street.

Driving Effort 6/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 261 miles you will encounter 12 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: at 0.4 miles (South Halsted Street): Lane positioning matters here; at 0.7 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 1.6 miles (I 90; I 94 / Dan Ryan Expressway (Express)): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.

Elevation Profile

Mostly flat terrain

766 ft 555 ft

Total Climb

394 ft

Total Descent

362 ft

Highest Point

766 ft

~130.5 mi in

Elevation Range

211 ft

About the Cities

Starting in Chicago, IL

Full guide →

Founded 1837

Chicago is the home of the blues and the truth of jazz, the heart of comedy and the idea of the skyscraper. Here, the age of railroads found its center, and airplanes followed suit. "Stormy, Husky, Brawling / City of Big Shoulders," Chicago is a Heartland boomtown, its ethos defined by urban planner Daniel Burnham's immortal vision: "Make no little plans; they have no magic to stir men's blood." It is one of the world's great cities and the third largest city in the United States, behind only New York City and Los Angeles. As the hub of the Midwest, Chicago is easy to find — its picturesque skyline calls across the waters of Lake Michigan, a first impression that soon reveals world-class museums of art and science, miles of sandy beaches, huge parks and public art, and perhaps the finest downtown collection of modern architecture in the world.

Top landmarks

  • • Art Institute of Chicago — art museum and school in Chicago, United States
  • • Wrigley Field — baseball stadium in Chicago, Illinois, USA; home venue of the Chicago Cubs
  • • Field Museum of Natural History — natural history museum in Chicago, Illinois, United States

Arriving in Greenville, IL

Full guide →

Founded 1872

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 4h 53m. Total distance: 261 miles.

Family Friendly

Moderate complexity with 1 natural rest stops along the way.

Solo Traveler

4h 53m drive, comfortable solo distance.

First-Time Driver

Mostly highway driving (99%). Some complex stretches to watch for.

Frequently Asked Questions

The longest stretch is about 200.8 miles on I 57. The full list of main roads is in the Roads section above.

We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Greenville, IL before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.

The main spots that need attention: at 0.4 miles (South Halsted Street): Lane positioning matters here; at 0.7 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 1.6 miles (I 90; I 94 / Dan Ryan Expressway (Express)): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.

Yes — Pullman National Historical Park. See the National Parks section for detour distances and tips on detours.

Possible but tiring. At 4.9 hours each way, an in-and-out day trip would put you behind the wheel for 9.8 hours — manageable with a long break at Greenville, IL, but most travelers stay overnight.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, USGS 3DEP for elevation, NPS for national parks, and FHWA TMAS for hourly traffic volumes. See our methodology for refresh cadence and limitations.

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