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Trip from O'Fallon, MO to Monroe City, MO

Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards

Drive Time

2h 6m

Distance

103.2 mi

166 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$16

one way

EV Charging

Good

8 stations

Best Time to Leave

Save up to 27 min
4 AM
1h 58m ★
6 AM
2h 7m
8 AM
2h 25m
10 AM
2h 13m
12 PM
2h 11m
3 PM
2h 14m
5 PM
2h 24m
8 PM
2h 2m

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

Downtown O'Fallon, MO, MO

O'Fallon, MO

Wikimedia Commons

city in Marion, Monroe, and Ralls counties, Missouri, United States

Monroe City, MO

Wikimedia Commons

Trip Overview

The drive from O'Fallon, MO to Monroe City, MO covers 103.2 miles and takes about 2h 6m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on Avenue of the Saints, Chicago-Kansas City Expressway, I 70 for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 73.3 miles on Avenue of the Saints. At current regular gas prices, budget about $16.13 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

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

Midpoint

51.6 miles from O'Fallon, MO

A natural place for your longest stop of the day , about 1h 2m into the drive .

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 2h 6m. Total distance: 103.2 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

2h 6m drive, comfortable solo distance.

Scenic Drive

Turn-heavy local drive route profile.

Drive Character

Expect a 2h 6m drive with frequent turns across 103.2 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.
There are about 21 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Avenue of the Saints is the longest continuous segment at about 73.3 miles.

How Hard Is This Drive?

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 0.6 miles in.

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 17 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 0.6 miles: Lane positioning matters here; at 0.6 miles (South Main Street): Sharp turn - reduce speed on approach; at 0.7 miles (West Terra Lane): Lane positioning matters here.

Critical Maneuvers

5 of 17 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

6
0.6 mi into trip | ~1m in

Turn left toward I 70 East

Lane positioning matters here

Use the left lane. Toward I 70 East
6
0.6 mi into trip | ~1m in | South Main Street

Turn sharp left onto South Main Street

Sharp turn - reduce speed on approach

6
0.7 mi into trip | ~2m in | West Terra Lane

Turn left onto West Terra Lane

Lane positioning matters here

Use the left lane.
7
7.8 mi into trip | ~10m in

Take the exit toward US 61 North: Hannibal

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

Use the slight right lane. Exit 210B Toward US 61 North: Hannibal
6
84.3 mi into trip | ~1h 43m in

Take the ramp toward US 36 West, MO 110 West: Monroe City

Multiple destination signs - pick the right one

Toward US 36 West, MO 110 West: Monroe City

Main Roads

Road Distance Duration
Avenue of the Saints 73.3 mi 1h 26m
Chicago-Kansas City Expressway 10.7 mi 12m
I 70 6.9 mi 8m
V.F.W. Memorial Highway 5.8 mi 6m
Veterans Road 2.2 mi 3m
5th Street 1.1 mi 1m
US 24 0.8 mi 1m
South Main Street 0.6 mi 1m
Longest stretch: Avenue of the Saints — 73.3 mi, about 1h 26m

Turn-by-Turn Driving Directions

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

1

Start on this road

25 ft · 7 sec · this road
2

Turn left onto South Main Street

0.6 mi · 1 min · South Main Street
3

Turn left

34 ft · 6 sec
Toward I 70 East Use the left lane.
4

Turn sharp left onto South Main Street

284 ft · 11 sec · South Main Street
5

Turn left onto West Terra Lane

0.1 mi · 12 sec · West Terra Lane
Use the left lane.
6

Take the ramp

479 ft · 6 sec
Toward I 70 West
7

Merge onto I 70

6.9 mi · 8 min · I 70
Use the straight / slight right lanes.
8

Take the exit

0.4 mi · 47 sec
Exit 210B Toward US 61 North: Hannibal Use the slight right lane.
9

Merge onto US 61

73 mi · 1 hr 26 min · Avenue of the Saints
Use the right lane.
10

Take the exit

249 ft · 14 sec
11

Turn left onto Paris Gravel Road

0.5 mi · 1 min · Paris Gravel Road
12

Keep slight right at fork onto County Road 422

279 ft · 8 sec · County Road 422
13

Turn right onto Veterans Road

2.2 mi · 3 min · Veterans Road
14

Take the ramp

0.2 mi · 16 sec
Toward US 36 West, MO 110 West: Monroe City
15

Merge onto US 36; MO 110

5.8 mi · 6 min · V.F.W. Memorial Highway
16

Continue on US 24; US 36; MO 110

11 mi · 12 min · Chicago-Kansas City Expressway
17

Take the exit onto US 24; US 36 Business

0.3 mi · 56 sec · US 24; US 36 Business
Toward US 24 West, US 36 Business, MO Z: Monroe City, Paris, Moberly
18

Turn left onto US 24; US 36 Business; MO Z

0.4 mi · 38 sec · US 24; US 36 Business; MO Z
19

Continue on US 24; US 36 Business

1.1 mi · 1 min · 5th Street
20

Turn left onto US 24

0.3 mi · 23 sec · North Main Street
21

Arrive at destination

US 24

Trip Plan

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 O'Fallon, MO, or about 1h 2m into the drive.
The longest continuous stretch on this route runs about 73.3 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 29m in

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

Halfway reset

Around 51.6 miles or 1h 2m 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 44m

Traffic, exits, and arrival timing usually matter more near Monroe City, MO than in the middle of the route.

Before You Leave

+

Open the route before leaving O'Fallon, MO 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 O'Fallon, MO

This is one driving day of about 103.2 miles and 2h 6m.

Your first comfortable stop window is around 23 miles from O'Fallon, MO.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on Avenue of the Saints for about 73.3 miles.

Where to Stop

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

Halfway Point

Midpoint

About 51.6 mi from O'Fallon, MO · 1h 2m into the drive

city in and county seat of Lincoln County, Missouri, United States

Mid-route town

Meal stop

Troy, MO

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

Moscow Mills, MO

Fuel and coffee

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

Troy, MO

Meal break

The midpoint is around 51.6 miles from O'Fallon, MO, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before Avenue of the Saints if your tank is already low. That segment runs about 73.3 miles.

Arriving in Monroe City, MO

The final approach into Monroe City, MO usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Monroe City, MO.

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

Nearby Places

Restaurants, cafes, gas stations and more along your route.

EVXY Charging Station

5.0 ★ ★ ★ ★ ★

Early in the drive, right off the route

0.3 mi from route ~1 min detour mile 22.1

Troy, Missouri

+18554382474

Visit website

EVre Charging Station

3.6 ★ ★ ★ ★ ☆

Around the midpoint, right off the route

1 mi from route ~2 min detour mile 51.6

Bowling Green, Missouri

Hours: Open 24 hours

+18882226618

Visit website

Blink Charging Station

5.0 ★ ★ ★ ★ ★

Near the start, short detour

1.6 mi from route ~4 min detour

O'Fallon, Missouri

+18889982546

Visit website

Tesla Supercharger

4.2 ★ ★ ★ ★ ☆

Later in the drive, short detour

2.8 mi from route ~7 min detour mile 81.1

Hannibal, Missouri

Hours: Open 24 hours

+18777983752

Visit website

EVgo Charging Station

4.4 ★ ★ ★ ★ ☆

Near the start, short detour

2.8 mi from route ~7 min detour mile 7.4

Wentzville, Missouri

Hours: Open 24 hours

+18774943833

Visit website

Tesla Supercharger

5.0 ★ ★ ★ ★ ★

Near the start, ~9 min detour

3.5 mi from route ~9 min detour mile 7.4

Lake St Louis, Missouri

Hours: Open 24 hours

+18777983752

Visit website

EVXY Charging Station

3.0 ★ ★ ★ ☆ ☆

Early in the drive, short detour

2 mi from route ~5 min detour mile 22.1

Moscow Mills, Missouri

Hours: Open 24 hours

+18554382474

Visit website

ChargePoint Charging Station

5.0 ★ ★ ★ ★ ★

Near the start, short detour

3.4 mi from route ~8 min detour

St Peters, Missouri

Hours: Open 24 hours

+18887584389

Visit website

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

Fuel & Cost

Regular Gas

$16.13 one way

$32.27 round trip

$3.97/gal 25.4 MPG avg 36 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.36 $17.71 $35.43
premium $4.89 $19.86 $39.72
diesel $5.61 $22.79 $45.57

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$16

Meals

$25–$50

Total

$41–$66

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, 2026-04-13.

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 15, 2026

Origin

O'Fallon, MO

Morning in O'Fallon on Friday

Local time

11:49 AM

CDT

Current temp

57°F

Unavailable

Live forecast

Destination

Monroe City, MO

Morning in Monroe City on Friday

Local time

11:49 AM

CDT

Current temp

70°F

Unavailable

Live forecast

76°F

Troy, MO

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

13 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 6m 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.

Frequently Asked Questions

The drive from O'Fallon, MO to Monroe City, MO covers 103.2 miles and takes about 2h 6m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are Avenue of the Saints, Chicago-Kansas City Expressway, I 70. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 51.6 miles from O'Fallon, MO. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $16.13 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

This is a demanding drive. With 17 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.

The main spots that need attention: at 0.6 miles: Lane positioning matters here; at 0.6 miles (South Main Street): Sharp turn - reduce speed on approach; at 0.7 miles (West Terra Lane): Lane positioning matters here.

The route from O'Fallon, MO to Monroe City, MO does not surface many named destination signs beyond the main corridor.

How this page is built

Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.

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Explore More

Return Trip

Monroe City, MO to O'Fallon, MO

Plan the drive back the other way.

103.1 mi 2h 6m

Explore more options from O'Fallon, MO or browse trips ending in Monroe City, MO.

Looking for more statewide routes? Browse MO road trips.