How far is O'Fallon, MO from Paris, MO?
The driving distance from O'Fallon, MO to Paris, MO is about 105.9 miles (170.4 km), with a travel time of about 02h 19m by car.
- The straight-line flight distance is about 83.7 miles (134.7 km).
- For a round trip, plan for roughly 04h 38m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 02h 19m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Missouri
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between O'Fallon and Paris.
Turn-by-Turn Driving Directions
Step-by-step road directions between O'Fallon and Paris.
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1
Start on the route
8 m · 7 sec
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2
Turn left onto South Main Street
3116 ft · 2 min · South Main Street
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3
Turn left onto I 70 East
10 m · 6 sec
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4
Turn sharp left onto South Main Street
87 m · 11 sec · South Main Street
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5
Turn left onto West Terra Lane
576 ft · 12 sec · West Terra Lane
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6
Take the ramp straight toward I 70 West
146 m · 7 sec
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7
Merge slight left
6.9 mi · 8 min
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8
Take the exit slight right toward US 61 North: Hannibal
2234 ft · 48 sec
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9
Merge slight left onto Avenue of the Saints
46.5 mi · 55 min · Avenue of the Saints
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10
Take the exit slight right toward US 54: Mexico, Louisiana
1540 ft · 39 sec
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11
Turn left
11.7 mi · 15 min
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12
Keep slight right
12.4 mi · 18 min
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13
At the end of the road, turn right
5.3 mi · 6 min
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14
Turn left
21.5 mi · 32 min
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15
Turn left onto West Locust Street
110 m · 12 sec · West Locust Street
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16
Turn right onto North Washington Street
27 m · 4 sec · North Washington Street
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17
Arrive at your destination
0 m · 1 sec · North Washington Street
Car Route Details
A richer read on the saved driving route between O'Fallon and Paris.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Avenue of the Saints
Merge slight left onto Avenue of the Saints
46.5 mi · 00h 55m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving O'Fallon and Partly Sunny then Slight Chance Showers And Thunderstorms near Paris.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from O'Fallon to Paris?
The road trip is about 105.9 miles (170.4 km) and usually takes 02h 19m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Bowling Green is a useful midpoint, sitting about 52.9 miles from O'Fallon and 53 miles from Paris.
How much longer is the road route than the straight-line distance?
The direct path is about 83.7 miles (134.7 km), while the road route adds roughly 22.2 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:52 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.10 one way or $28.21 round trip. Estimated CO2 is about 33.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around O'Fallon and Partly Sunny then Slight Chance Showers And Thunderstorms near Paris.
Stop Ideas Near Bowling Green
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Bowling Green.
Quincy
Hermann
Washington
Alton
Flight Path Map
This map shows the direct air route between O'Fallon and Paris. Straight-line distance: 83.71 mi (134.72 km).
#1 O'Fallon
The most populous city in St.
| Population | 89,769 |
| Coordinates | 38.8106100, -90.6998500 |
| Altitude | 165 |
| Country | United States |
#2 Paris
City in Missouri
| Population | 1,170 |
| Coordinates | 39.4808700, -92.0012800 |
| Altitude | 211 |
| Country | United States |
End: Paris (-92.00128, 39.48087)
Estimated Travel Time
Distance: 170 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 31m |
| 40 mph (64.37 km/h) | 02h 38m |
| 50 mph (80.47 km/h) | 02h 07m |
| 60 mph (96.56 km/h) | 01h 45m |
| 70 mph (112.65 km/h) | 01h 30m |
| 80 mph (129 km/h) | 01h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $14.10 | $28.21 |
| Mid-grade | $4.25 | $15.91 | $31.81 |
| Premium | $4.65 | $17.41 | $34.81 |
| Diesel | $5.30 | $19.84 | $39.67 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Missouri · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.