How far is O'Fallon, MO from Kahoka, MO?

The driving distance from O'Fallon, MO to Kahoka, MO is about 146.8 miles (236.2 km), with a travel time of about 03h 01m by car.

  • The straight-line flight distance is about 123.8 miles (199.2 km).
  • For a round trip, plan for roughly 06h 02m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
146.77 mi
03h 01m
Flight
123.75 mi
199.16 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from O'Fallon.

Flight Distance

Direct air line
123.75 mi
Kilometers
199.16 km
Flight Time
00h 14m

Driving Distance

Road route
146.77 mi
Kilometers
236.21 km
Drive Time
03h 01m

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 03h 01m.

Arrival Snapshot
Arrive in Kahoka
Thu, Apr 23, 1:36 PM CDT
Return by in O'Fallon
Thu, Apr 23, 4:38 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave O'Fallon
2026-04-23T10:35
Arrive Kahoka
Thu, Apr 23, 1:36 PM CDT
Route Timing
03h 01m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:01 AM to 11:01 AM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:58 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in O'Fallon
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
New London
MO

City in Missouri

From O'Fallon
73.4 mi
01h 30m
To Kahoka
73.4 mi
01h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
7 to 17 mph S
Destination
80°F
Thursday

Partly Sunny then Chance Showers And Thunderstorms

Starts
Thu, Apr 23 6:00 AM CDT
Wind
10 to 15 mph S

Driving Route Map

The map below follows the saved road route between O'Fallon and Kahoka.

Turn-by-Turn Driving Directions

Step-by-step road directions between O'Fallon and Kahoka.

  1. 1

    Start on the route

    8 m · 7 sec

  2. 2

    Turn left onto South Main Street

    3116 ft · 2 min · South Main Street

  3. 3

    Turn left onto I 70 East

    10 m · 6 sec

  4. 4

    Turn sharp left onto South Main Street

    87 m · 11 sec · South Main Street

  5. 5

    Turn left onto West Terra Lane

    576 ft · 12 sec · West Terra Lane

  6. 6

    Take the ramp straight toward I 70 West

    146 m · 7 sec

  7. 7

    Merge slight left

    6.9 mi · 8 min

  8. 8

    Take the exit slight right toward US 61 North: Hannibal

    2234 ft · 48 sec

  9. 9

    Merge slight left onto Avenue of the Saints

    73.3 mi · 1 hr 27 min · Avenue of the Saints

  10. 10

    Take the exit slight left

    76 m · 15 sec

  11. 11

    Turn left onto Paris Gravel Road

    2645 ft · 1 min · Paris Gravel Road

  12. 12

    Keep slight right to continue on County Road 422

    85 m · 9 sec · County Road 422

  13. 13

    Turn right onto Veterans Road

    3.2 mi · 6 min · Veterans Road

  14. 14

    Turn left

    1.7 mi · 2 min

  15. 15

    Turn left onto Avenue of the Saints

    17 mi · 20 min · Avenue of the Saints

  16. 16

    Take the exit slight right toward Avenue of the Saints

    33.3 mi · 39 min · Avenue of the Saints

  17. 17

    Take the exit slight right toward US 136: Wayland, Kahoka

    1561 ft · 48 sec

  18. 18

    Turn left

    8.9 mi · 13 min

  19. 19

    Turn right onto South Johnson Street

    1835 ft · 31 sec · South Johnson Street

  20. 20

    Arrive at your destination

    0 m · 1 sec · North Johnson Street

Car Route Details

A richer read on the saved driving route between O'Fallon and Kahoka.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
20 steps
10 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
13.6 / 100 mi
Decision points by distance
Main Roads
Avenue of the Saints
124 mi · 84%
I 70 West
7.01 mi · 5%
Veterans Road
3.19 mi · 2%
South Main Street
0.64 mi
Paris Gravel Road
0.5 mi
US 61 North
0.42 mi
Longest Stretch

Avenue of the Saints

Merge slight left onto Avenue of the Saints

73.3 mi · 01h 27m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
03h 01m
Long day trip
Same-Day Return
06h 02m
Round-trip wheel time
Road vs Air
+23 mi
123.8 mi direct line
Halfway Stop
New London
01h 30m from O'Fallon
Leave By
10:58 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny leaving O'Fallon and Partly Sunny then Chance Showers And Thunderstorms near Kahoka.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from O'Fallon to Kahoka?

The road trip is about 146.8 miles (236.2 km) and usually takes 03h 01m 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?

New London is a useful midpoint, sitting about 73.4 miles from O'Fallon and 73.4 miles from Kahoka.

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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:58 AM 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 Mostly Sunny around O'Fallon and Partly Sunny then Chance Showers And Thunderstorms near Kahoka.

Stop Ideas Near New London

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around New London, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to New London.

RAIL

Quincy

41 mi away
North 30th St. and Wisman Lane
RAIL

Hermann

98 mi away
Wharf & Gutenberg Sts.
RAIL

La Plata

105 mi away
535 N. Owensby St.
RAIL

Macomb

115 mi away
120 East Calhoun Street

Flight Path Map

This map shows the direct air route between O'Fallon and Kahoka. Straight-line distance: 123.75 mi (199.16 km).

O'Fallon

#1 O'Fallon

The most populous city in St.

Population89,769
Coordinates38.8106100, -90.6998500
Altitude165
CountryUnited States
Kahoka

#2 Kahoka

City in Clark County, Missouri, United States

Population2,031
Coordinates40.4203200, -91.7196100
Altitude213
CountryUnited States
Start: O'Fallon (-90.69985, 38.81061)
End: Kahoka (-91.71961, 40.42032)

Estimated Travel Time

Distance: 236 km by road

SpeedTime
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.

One-way fuel
5.18 gal
19.61 L · about $19.53
Round trip
$39.07
10.36 gal · 39.22 L
Estimated CO2
46 kg one way
Round trip: 92.1 kg / 203 lb CO2, using regular gasoline.
Fuel$/galOne wayRound 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

There is no time difference between O'Fallon and Kahoka. The current time is 10:35:46.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.