How far is Kahoka, MO from O'Fallon, MO?
The driving distance from Kahoka, MO to O'Fallon, MO is about 146.8 miles (236.3 km), with a travel time of about 02h 26m by car.
- The straight-line flight distance is about 123.8 miles (199.2 km).
- For a round trip, plan for roughly 04h 53m 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 26m.
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.
Partly Sunny then Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Kahoka and O'Fallon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kahoka and O'Fallon.
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1
Start on North Johnson Street
1835 ft · 36 sec · North Johnson Street
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2
Turn left
8.8 mi · 13 min
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3
Take the ramp right toward MO 27 South: Hannibal
1519 ft · 42 sec
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4
Merge slight left onto Avenue of the Saints
46.3 mi · 54 min · Avenue of the Saints
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5
Continue on Avenue of the Saints
3.9 mi · 5 min · Avenue of the Saints
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6
Turn right
1.7 mi · 2 min
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7
Turn right onto Veterans Road
3.2 mi · 6 min · Veterans Road
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8
At the end of the road, turn left onto County Road 422
85 m · 7 sec · County Road 422
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9
Continue on Paris Gravel Road
2539 ft · 1 min · Paris Gravel Road
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10
Take the ramp right
37 m · 3 sec
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11
Merge slight left onto Avenue of the Saints
73.7 mi · 1 hr 27 min · Avenue of the Saints
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12
Take the exit slight left toward I 70 East: Saint Louis
2705 ft · 51 sec
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13
Merge slight left onto Dwight D Eisenhower Highway
6.4 mi · 8 min · Dwight D Eisenhower Highway
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14
Take the exit slight right toward MO K: O'Fallon
1765 ft · 43 sec
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15
Turn straight onto Drennen Parkway
46 m · 3 sec · Drennen Parkway
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16
Keep slight right to continue on Drennen Parkway
51 m · 6 sec · Drennen Parkway
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17
Turn slight left onto MO K: O'Fallon
19 m · 3 sec
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18
Continue on South Main Street
3115 ft · 2 min · South Main Street
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19
Turn right
8 m · 2 sec
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Kahoka and O'Fallon.
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
73.7 mi · 01h 27m
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.
Partly Sunny then Chance Showers And Thunderstorms leaving Kahoka and 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 Kahoka to O'Fallon?
The road trip is about 146.8 miles (236.3 km) and usually takes 02h 26m 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?
New London is a useful midpoint, sitting about 73.4 miles from Kahoka and 73.4 miles from O'Fallon.
How much longer is the road route than the straight-line distance?
The direct path is about 123.8 miles (199.2 km), while the road route adds roughly 23 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 1:36 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.53 one way or $39.07 round trip. Estimated CO2 is about 46 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Showers And Thunderstorms around Kahoka and Mostly Sunny near O'Fallon.
Stop Ideas Near New London
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 New London.
Quincy
Hermann
La Plata
Macomb
Flight Path Map
This map shows the direct air route between Kahoka and O'Fallon. Straight-line distance: 123.75 mi (199.16 km).
#1 Kahoka
City in Clark County, Missouri, United States
| Population | 2,031 |
| Coordinates | 40.4203200, -91.7196100 |
| Altitude | 213 |
| 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: 236 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 53m |
| 40 mph (64.37 km/h) | 03h 40m |
| 50 mph (80.47 km/h) | 02h 56m |
| 60 mph (96.56 km/h) | 02h 26m |
| 70 mph (112.65 km/h) | 02h 05m |
| 80 mph (129 km/h) | 01h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $19.53 | $39.07 |
| Mid-grade | $4.25 | $22.03 | $44.06 |
| Premium | $4.65 | $24.11 | $48.22 |
| Diesel | $5.30 | $27.47 | $54.95 |
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.