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Trip from Wentzville, MO to O'Fallon, MO

Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards

Drive Time

13m

Distance

9.3 mi

15 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$1

one way

EV Charging

Good

8 stations

Best Time to Leave

4 AM
0h 13m ★
6 AM
0h 14m
8 AM
0h 16m
10 AM
0h 15m
12 PM
0h 14m
3 PM
0h 15m
5 PM
0h 16m
8 PM
0h 13m ★

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

city in St. Charles County, Missouri, United States

Wentzville, MO

Wikimedia Commons

Downtown O'Fallon, MO, MO

O'Fallon, MO

Wikimedia Commons

Trip Overview

If you are traveling between Wentzville and O'Fallon, Missouri, you are looking at a quick 9.3-mile trip that takes approximately 13 minutes. This short jaunt across the Midwest is easily manageable as a single-day excursion, requiring no overnight stays. With a fuel budget of just $1, it is an incredibly economical route to navigate. You will primarily utilize the Dwight D. Eisenhower Highway, South Main Street, and the Avenue of the Saints to reach your destination. Because this trip is so brief, it serves as a straightforward connection rather than a traditional road trip adventure.

Main Roads

Road Distance Duration
Dwight D Eisenhower Highway 6.4 mi 7m
South Main Street 0.6 mi 1m
Avenue of the Saints 0.6 mi <1m
East Pearce Boulevard 0.5 mi 1m
Luetkenhaus Boulevard <0.1 mi <1m
Drennen Parkway <0.1 mi <1m
North Linn Avenue <0.1 mi <1m
East Allen Street <0.1 mi <1m
Longest stretch: Dwight D Eisenhower Highway — 6.4 mi, about 7m

Turn-by-Turn Driving Directions

Step-by-step road directions between Wentzville, MO and O'Fallon, MO.

1

Start on East Allen Street

40 ft · 3 sec · East Allen Street
2

Turn right onto North Linn Avenue

214 ft · 11 sec · North Linn Avenue
3

Turn right onto East Pearce Boulevard

0.5 mi · 1 min · East Pearce Boulevard
4

Turn slight right

349 ft · 8 sec
5

Turn slight right onto Luetkenhaus Boulevard

500 ft · 14 sec · Luetkenhaus Boulevard
Use the straight / right lanes.
6

Take the ramp

164 ft · 2 sec
Toward US 61 South, I 70, US 40 Use the straight / right lanes.
7

Keep slight left at fork

0.1 mi · 10 sec
Toward US 61 South Use the straight / slight right lanes.
8

Merge onto US 61

0.6 mi · 42 sec · Avenue of the Saints
9

Take the exit

0.5 mi · 51 sec
Toward I 70 East: Saint Louis Use the slight left / straight lanes.
10

Merge onto I 70

6.4 mi · 7 min · Dwight D Eisenhower Highway
Use the straight / slight right lanes.
11

Take the exit

0.3 mi · 43 sec
Toward MO K: O'Fallon Use the straight / slight right lanes.
12

Turn straight onto Drennen Parkway

150 ft · 3 sec · Drennen Parkway
Toward MO K: O'Fallon
13

Keep slight right at fork onto Drennen Parkway

166 ft · 5 sec · Drennen Parkway
Toward MO K: O'Fallon
14

Turn slight left

62 ft · 2 sec
Toward MO K: O'Fallon
15

Continue on South Main Street

0.6 mi · 1 min · South Main Street
16

Turn right

25 ft · 1 sec
17

Arrive at destination

Heads-up: tricky spots

5 of 12

5 decision points cluster between mile 0.7 and 8.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

7
0.7 mi into trip | ~1m in

Take the ramp toward US 61 South, I 70, US 40

Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / right lanes. Toward US 61 South, I 70, US 40
8
0.7 mi into trip | ~1m in

Keep slight left at fork toward US 61 South

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / slight right lanes. Toward US 61 South
6
1.4 mi into trip | ~2m in

Take the exit toward I 70 East: Saint Louis

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

Use the slight left / straight lanes. Toward I 70 East: Saint Louis
6
8.3 mi into trip | ~11m in

Take the exit toward MO K: O'Fallon

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

Use the straight / slight right lanes. Toward MO K: O'Fallon
6
8.7 mi into trip | ~11m in | Drennen Parkway

Keep slight right at fork onto Drennen Parkway toward MO K: O'Fallon

Highway fork - watch signs carefully

Toward MO K: O'Fallon

Fuel & Cost

Regular Gas

$1.45 one way

$2.91 round trip

$3.97/gal 25.4 MPG avg 3 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.36 $1.60 $3.19
premium $4.89 $1.79 $3.58
diesel $5.61 $2.05 $4.11

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$1

Estimated CO2 emission: 3.3 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $1 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 2.8 0 $0.98 $0.45
Efficient EV 2.3 0 $0.81 $0.37
EV Truck/SUV 3.7 0 $1.30 $0.60

Gas CO2

3 kg

EV CO2

1 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 18, 2026

Origin

Wentzville, MO

Night in Wentzville on Saturday

Local time

11:25 PM

CDT

Current temp

46°F

Rain Showers

NW 10 to 15 mph 94% chance Live forecast

Destination

O'Fallon, MO

Night in O'Fallon on Saturday

Local time

11:25 PM

CDT

Current temp

46°F

Rain Showers

NW 10 to 15 mph 97% chance Live forecast

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

Very similar conditions

Both ends of the route are sitting at about the same temperature right now.

Road read

13m on the road

The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.

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

What kind of drive is this?

Expect a turn-heavy local drive that demands your full attention as you transition between road types. The route is entirely highway-based, meaning you will spend 100% of your time on major thoroughfares. Your longest uninterrupted segment spans 6.4 miles while cruising along the Dwight D. Eisenhower Highway. As you progress, the transition from local streets to these primary arteries defines the personality of the drive. It is a functional, efficient experience that prioritizes speed and directness over scenic meandering.

Only 1% highway — the rest is turn-by-turn surface driving.
17 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 6.4 mi on Dwight D Eisenhower Highway.

How Hard Is This Drive?

9/10

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 0.7 miles in.

Driving Effort 9/10

Focused - lots of decisions in a short distance, but it is over quickly

Balances navigation complexity with total wheel time.

This is a short but busy drive. With 12 decision points packed into just 9.3 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 13m.

Where does it get tricky?

The main spots that need attention: at 0.7 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 0.7 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 1.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

Elevation Profile

Mostly flat terrain

633 ft 508 ft

Total Climb

133 ft

Total Descent

217 ft

Highest Point

633 ft

~1.9 mi in

Elevation Range

125 ft

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

On the drive from Wentzville, MO to O'Fallon, MO, road signs begin pointing toward Mo K: O'fallon along the way.

Mo K: O'fallon

8.3 mi in | ~11m

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 13m. Total distance: 9.3 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

13m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

Scenic Drive

Mostly surface roads route profile.

Frequently Asked Questions

The longest stretch is about 6.4 miles on Dwight D Eisenhower Highway. The full list of main roads is in the Roads section above.

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 O'Fallon, MO before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.

The main spots that need attention: at 0.7 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 0.7 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 1.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

Yes. A round trip is manageable in a single day if you plan a break at O'Fallon, MO 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 USGS 3DEP for elevation. See our methodology for refresh cadence and limitations.

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