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Trip from Lake Summerset, IL to Naperville, IL

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 29, 2026 · Editorial standards

Drive Time

2h 11m

Distance

103.2 mi

166 km

Drive Score

9/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$16

one way

EV Charging

Unknown

Best Time to Leave

Save up to 28 min
4 AM
2h 2m ★
6 AM
2h 11m
8 AM
2h 30m
10 AM
2h 18m
12 PM
2h 16m
3 PM
2h 19m
5 PM
2h 29m
8 PM
2h 6m

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

Downtown Lake Summerset, IL, IL

Lake Summerset, IL

Sean Ewing

Downtown Naperville, IL, IL

Naperville, IL

Wikimedia Commons

Trip Overview

Lake Summerset to Naperville is 103.2 miles and takes about 2h 11m via Ronald Reagan Memorial Tollway, with a fuel budget near $16 and enough daylight to finish in a day. This trip stays within Illinois, connecting two points in the Midwest region. The drive primarily uses the Ronald Reagan Memorial Tollway, offering a straightforward path. With just over 100 miles and a quick estimated travel time, this route is ideal for a single-day excursion when you want to get where you're going without a lengthy commitment.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Midpoint

51.6 miles from Lake Summerset, IL

A natural place for your longest stop of the day , about 1h 10m into the drive .

Main Roads

Road Distance Duration
Ronald Reagan Memorial Tollway 46.3 mi 51m
I 39 21.5 mi 23m
U.S. Grant Memorial Highway 9.4 mi 10m
Trask Bridge Road 9 mi 12m
North Meridian Road 4.6 mi 8m
Center Road 2.9 mi 4m
Freeport Road 2.5 mi 3m
Best Road 1.8 mi 4m
Longest stretch: Ronald Reagan Memorial Tollway — 46.3 mi, about 51m

Traffic on I-39

Hour-of-day weekday pattern from 2 FHWA count stations on your route.

Peak

2 PM

~1,252 veh/hr typical · worst 1,626

Quietest

midnight

~126 veh/hr

Peak-to-quiet ratio

9.9×

busier at peak than in the quiet hours

12a 6a noon 6p 11p

Averaged across 50 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 Lake Summerset, IL and Naperville, IL.

1

Start on Pier Drive

1.0 mi · 3 min · Pier Drive
2

At end of road, turn left onto Lake Summerset Road

0.1 mi · 28 sec · Lake Summerset Road
3

At end of road, turn right onto Best Road

1.8 mi · 4 min · Best Road
4

Turn left onto IL 75

2.5 mi · 3 min · Freeport Road
5

Turn right onto IL 70

2.9 mi · 4 min · Center Road
6

Continue on IL 70

9.0 mi · 12 min · Trask Bridge Road
7

Turn right onto CH 24

2.7 mi · 4 min · North Meridian Road
8

Enter roundabout onto North Meridian Road

156 ft · 8 sec · North Meridian Road
9

Continue on North Meridian Road

1.9 mi · 3 min · North Meridian Road
10

Take the ramp

0.2 mi · 27 sec
11

Merge onto US 20

9.4 mi · 10 min · U.S. Grant Memorial Highway
Toward US 20 East: Chicago
12

Take the exit

0.8 mi · 1 min
13

Merge onto I 39; US 51

21 mi · 23 min · I 39; US 51
14

Take the exit

0.4 mi · 1 min
Exit 97A Toward I 88 East Toll: Chicago
15

Merge onto I 88; IL 110

46 mi · 51 min · Ronald Reagan Memorial Tollway
Use the straight / slight right lanes.
16

Take the exit

0.4 mi · 49 sec
Exit 125 Toward Winfield Road Use the straight / slight right lanes.
17

Turn right onto Winfield Road

0.2 mi · 26 sec · Winfield Road
Use the right lane.
18

Turn left onto West Diehl Road

0.7 mi · 1 min · West Diehl Road
Use the left lane.
19

Turn right onto Mill Street

1.1 mi · 2 min · Mill Street
Use the right lane.
20

Turn left onto US 34

0.4 mi · 48 sec · West Ogden Avenue
Use the left lane.
21

Turn left onto North Washington Street

50 ft · 1 sec · North Washington Street
Use the left lane.
22

Arrive at destination

North Washington Street

Trip Plan

Since this is a relatively short drive of just over two hours, you have a lot of flexibility with your departure time. Leaving in the morning will get you to Naperville by midday, leaving your afternoon open. The longest continuous stretch on a highway is 46.3 miles, so plan for refueling before you begin if your tank is low, as services might be less frequent on the surface road portions. Keep an eye on your fuel cost estimate of $16, which is based on average prices and your vehicle's efficiency.

Morning Departure

Leave by 9 AM and you'll arrive before lunch.

Evening Departure

Even a 4 PM departure gets you there before dark in summer.

You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 51.6 miles from Lake Summerset, IL, or about 1h 10m into the drive.
The longest continuous stretch on this route runs about 46.3 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 23 miles or 38m in

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

Halfway reset

Around 51.6 miles or 1h 10m in

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

Final approach

Final hour starts around 1h 47m

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

Before You Leave

+

Open the route before leaving Lake Summerset, 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 Lake Summerset, IL

This is one driving day of about 103.2 miles and 2h 11m.

Your first comfortable stop window is around 23 miles from Lake Summerset, IL.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on Ronald Reagan Memorial Tollway for about 46.3 miles.

Where to Stop

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

Downtown Flagg, IL, IL

Mid-route town

Meal stop

Flagg, IL

52 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

Rockford, IL

Fuel and coffee

A short stop after about 23 miles helps settle the day before fatigue starts building.

Flagg, IL

Meal break

The midpoint is around 51.6 miles from Lake Summerset, IL, which is a good place for a longer meal and fuel stop.

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

Heads-up: tricky spots

5 of 18

5 decision points cluster between mile 1 and 101.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

5
1 mi into trip | ~3m in | Lake Summerset Road

At end of road, turn left onto Lake Summerset Road

Navigation decision point

5
1.1 mi into trip | ~4m in | Best Road

At end of road, turn right onto Best Road

Navigation decision point

5
20 mi into trip | ~33m in | North Meridian Road

Enter roundabout onto North Meridian Road

Roundabout - know your exit number before entering

7
100.5 mi into trip | ~2h 5m in

Take the exit toward Winfield Road

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the straight / slight right lanes. Exit 125 Toward Winfield Road
6
101.8 mi into trip | ~2h 8m in | Mill Street

Turn right onto Mill Street

Lane positioning matters here

Use the right lane.

Fuel & Cost

Regular Gas

$16.13 one way

$32.25 round trip

$3.97/gal 25.4 MPG avg 36 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.37 $17.75 $35.50
premium $4.88 $19.82 $39.64
diesel $5.35 $21.74 $43.48

Estimated Tolls: $2.78

Reagan Memorial Tollway (46.3 mi) $2.78

Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.

Estimated Trip Cost (one way, 1 person)

Fuel

$16

Tolls

$3

Meals

$25–$50

Total

$44–$69

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

Estimated CO2 emission: 36.1 kg one way. Prices: EIA weekly data, 2026-04-27.

Driving Electric?

About $11 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 31 0 $10.84 $4.95
Efficient EV 25.8 0 $9.03 $4.13
EV Truck/SUV 41.3 0 $14.45 $6.60

Gas CO2

36 kg

EV CO2

12 kg (67% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

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 Apr 29, 2026

Origin

Lake Summerset, IL

Morning in Lake Summerset on Wednesday

Local time

6:59 AM

CDT

Current temp

68°F

Unavailable

Live forecast

Destination

Naperville, IL

Morning in Naperville on Wednesday

Local time

6:59 AM

CDT

Current temp

69°F

Unavailable

Live forecast

69°F

Flagg, IL

52 mi in

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

1 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

2h 11m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

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

What kind of drive is this?

This drive is mostly surface roads, with 21% of the route on highways. You'll experience a 46.3-mile stretch on the Ronald Reagan Memorial Tollway before transitioning to other main roads like I-39 and U.S. Grant Memorial Highway. Expect a mix of higher-speed highway cruising and more typical surface road driving with varied traffic patterns as you approach Naperville.

Only 21% highway — the rest is turn-by-turn surface driving.
22 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 46.3 mi on Ronald Reagan Memorial Tollway.

How Hard Is This Drive?

7/10

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 1 miles in near Lake Summerset Road.

Driving Effort 7/10

Demanding - plan breaks and stay ahead of the key maneuvers

Balances navigation complexity with total wheel time.

This is a demanding drive. With 18 significant decision points across 103.2 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.

Where does it get tricky?

The main spots that need attention: at 1 miles (Lake Summerset Road): Navigation decision point; at 1.1 miles (Best Road): Navigation decision point; at 20 miles (North Meridian Road): Roundabout - know your exit number before entering.

About the Cities

Starting in Lake Summerset, IL

Full guide →

Arriving in Naperville, IL

Full guide →

Founded 1890

Naperville is a bedroom community in the Chicagoland area. In 2008, Money magazine ranked Naperville third on its list of the 100 best places to live in the United States.

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 2h 11m. Total distance: 103.2 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

2h 11m drive, comfortable solo distance.

Scenic Drive

Mostly surface roads route profile.

Frequently Asked Questions

The longest stretch is about 46.3 miles on Ronald Reagan Memorial Tollway. The full list of main roads is in the Roads section above.

Expect about $2.78 in tolls one way, starting with Reagan Memorial Tollway. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.

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 Naperville, 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. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.

The main spots that need attention: at 1 miles (Lake Summerset Road): Navigation decision point; at 1.1 miles (Best Road): Navigation decision point; at 20 miles (North Meridian Road): Roundabout - know your exit number before entering.

Yes. A round trip is manageable in a single day if you plan a break at Naperville, IL before heading back.

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, and FHWA TMAS for hourly traffic volumes. See our methodology for refresh cadence and limitations.

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