How far is Nevada, MO from O'Fallon, MO?
The driving distance from Nevada, MO to O'Fallon, MO is about 254.5 miles (409.6 km), with a travel time of about 04h 07m by car.
- The straight-line flight distance is about 209.2 miles (336.6 km).
- For a round trip, plan for roughly 08h 15m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 07m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Unincorporated community in Missouri
Route Weather Snapshot
Check the forecast at both ends before you head out.
Areas Of Fog then Mostly Sunny
Slight Chance Rain Showers then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Nevada and O'Fallon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Nevada and O'Fallon.
-
1
Start on East Walnut Street
1330 ft · 1 min · East Walnut Street
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2
Turn left onto North Osage Boulevard
1314 ft · 40 sec · North Osage Boulevard
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3
Turn right onto East Hickory Street
2419 ft · 1 min · East Hickory Street
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4
Turn left onto North Centennial Boulevard
126.8 mi · 2 hr 40 min · North Centennial Boulevard
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5
Turn straight
56.1 mi · 1 hr 3 min
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6
Take the exit slight right toward I 70 East, US 40 East: Saint Louis
1220 ft · 15 sec
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7
Merge slight left onto Dwight D. Eisenhower Highway
69.2 mi · 1 hr 20 min · Dwight D. Eisenhower Highway
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8
Take the exit slight right toward MO K: O'Fallon
1765 ft · 43 sec
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9
Turn straight onto Drennen Parkway
46 m · 3 sec · Drennen Parkway
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10
Keep slight right to continue on Drennen Parkway
51 m · 6 sec · Drennen Parkway
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11
Turn slight left onto MO K: O'Fallon
19 m · 3 sec
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12
Continue on South Main Street
3115 ft · 2 min · South Main Street
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13
Turn right
8 m · 2 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Nevada and O'Fallon.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
North Centennial Boulevard
Turn left onto North Centennial Boulevard
127 mi · 02h 40m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Areas Of Fog then Mostly Sunny leaving Nevada and Slight Chance Rain Showers then Mostly Sunny near O'Fallon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Nevada to O'Fallon?
The road trip is about 254.5 miles (409.6 km) and usually takes 04h 07m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Mount Pleasant is a useful midpoint, sitting about 126.9 miles from Nevada and 127.6 miles from O'Fallon.
How much longer is the road route than the straight-line distance?
The direct path is about 209.2 miles (336.6 km), while the road route adds roughly 45.3 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 8:44 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.86 one way or $67.73 round trip. Estimated CO2 is about 79.8 kg one way.
What should you check before leaving?
Before you leave, expect Areas Of Fog then Mostly Sunny around Nevada and Slight Chance Rain Showers then Mostly Sunny near O'Fallon.
Stop Ideas Near Mount Pleasant
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 Mount Pleasant.
Jefferson City
Sedalia
Hermann
Warrensburg
Flight Path Map
This map shows the direct air route between Nevada and O'Fallon. Straight-line distance: 209.15 mi (336.59 km).
#1 Nevada
Town in Vernon County, Missouri, United States
| Population | 8,196 |
| Coordinates | 37.8392100, -94.3546700 |
| Altitude | 266 |
| Country | United States |
#2 O'Fallon
The most populous city in St.
| Population | 89,769 |
| Coordinates | 38.8106100, -90.6998500 |
| Altitude | 165 |
| Country | United States |
End: (-90.699849, 38.810674)
Estimated Travel Time
Distance: 410 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 28m |
| 40 mph (64.37 km/h) | 06h 21m |
| 50 mph (80.47 km/h) | 05h 05m |
| 60 mph (96.56 km/h) | 04h 14m |
| 70 mph (112.65 km/h) | 03h 38m |
| 80 mph (129 km/h) | 03h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $33.86 | $67.73 |
| Mid-grade | $4.25 | $38.19 | $76.38 |
| Premium | $4.65 | $41.79 | $83.59 |
| Diesel | $5.30 | $47.63 | $95.26 |
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 · May 24, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.