How far is Kissee Mills, MO from O'Fallon, MO?

The driving distance from Kissee Mills, MO to O'Fallon, MO is about 254.8 miles (410.1 km), with a travel time of about 04h 16m by car.

  • The straight-line flight distance is about 195.1 miles (314 km).
  • For a round trip, plan for roughly 08h 33m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
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
254.79 mi
04h 16m
Flight
195.13 mi
314.03 km direct

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

Learn Distance

Choose another destination from Kissee Mills.

Flight Distance

Direct air line
195.13 mi
Kilometers
314.03 km
Flight Time
00h 23m

Driving Distance

Road route
254.79 mi
Kilometers
410.05 km
Drive Time
04h 16m

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 16m.

Arrival Snapshot
Arrive in O'Fallon
Sat, Nov 7, 3:00 AM CST
Return by in Kissee Mills
Sat, Nov 7, 7:17 AM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kissee Mills
2026-11-06T22:43
Arrive O'Fallon
Sat, Nov 7, 3:00 AM CST
Route Timing
04h 16m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CST
Leave early for more breathing room
Arrive between
10:17 AM to 12:17 PM CST

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

Leave by
8:26 AM CST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Kissee Mills
9:00 PM CST
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
Saint Robert
MO

City in Pulaski County, Missouri, United States

From Kissee Mills
127.3 mi
02h 08m
To O'Fallon
127.5 mi
02h 08m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
45°F
Overnight

Partly Cloudy

Starts
Fri, Nov 6 12:00 AM CST
Wind
3 mph NW
Destination
47°F
Overnight

Slight Chance Drizzle

Starts
Fri, Nov 6 1:00 AM CST
Wind
9 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    30 m · 2 sec

  2. 2

    Turn slight left

    1.1 mi · 2 min

  3. 3

    Turn sharp left

    2.9 mi · 4 min

  4. 4

    Enter the roundabout and take exit 1 toward the route

    38 m · 2 sec

  5. 5

    Exit the roundabout

    11.4 mi · 17 min

  6. 6

    Take the ramp slight right

    1279 ft · 31 sec

  7. 7

    Merge slight left onto American Legion Memorial Highway

    1.3 mi · 1 min · American Legion Memorial Highway

  8. 8

    Continue on US Highway 65

    12 mi · 14 min · US Highway 65

  9. 9

    Continue on American Legion Memorial Highway

    10.9 mi · 13 min · American Legion Memorial Highway

  10. 10

    Continue on Schoolcraft Freeway

    10.7 mi · 13 min · Schoolcraft Freeway

  11. 11

    Take the exit slight right toward I 44 East: Saint Louis

    3203 ft · 55 sec

  12. 12

    Merge slight left

    170.3 mi · 3 hr 3 min

  13. 13

    Take the exit slight right toward I 44 Business, MO 100 East: Gray Summit

    970 ft · 28 sec

  14. 14

    Turn left onto Manchester Road

    13.4 mi · 19 min · Manchester Road

  15. 15

    Take the exit slight right toward MO 109

    1108 ft · 31 sec

  16. 16

    Enter the roundabout and take exit 3 toward the route

    68 m · 4 sec

  17. 17

    Exit the roundabout

    157 m · 11 sec

  18. 18

    Enter the roundabout and take exit 1 toward the route

    30 m · 2 sec

  19. 19

    Exit the roundabout

    2129 ft · 45 sec

  20. 20

    Enter the roundabout and take exit 2 toward the route

    29 m · 2 sec

  21. 21

    Exit the roundabout

    4.3 mi · 7 min

  22. 22

    Enter the roundabout and take exit 2 toward South Eatherton Road

    29 m · 1 sec · South Eatherton Road

  23. 23

    Exit the roundabout onto South Eatherton Road

    2.4 mi · 5 min · South Eatherton Road

  24. 24

    Continue on Olive Street Road

    1.5 km · 2 min · Olive Street Road

  25. 25

    Take the ramp left toward Chesterfield Airport Road

    1.1 km · 1 min · Chesterfield Airport Road

  26. 26

    Merge slight left onto Avenue of the Saints

    3.1 mi · 4 min · Avenue of the Saints

  27. 27

    Take the exit slight right toward MO K: O'Fallon

    100 m · 6 sec

  28. 28

    Merge slight right onto North Outer Road

    1650 ft · 31 sec · North Outer Road

  29. 29

    Continue on North Outer Road

    946 ft · 18 sec · North Outer Road

  30. 30

    Turn right

    3.3 mi · 5 min

  31. 31

    Continue straight

    1.5 mi · 3 min

  32. 32

    Continue straight

    1.6 mi · 3 min

  33. 33

    Continue on South Main Street

    3115 ft · 2 min · South Main Street

  34. 34

    Turn right

    8 m · 2 sec

  35. 35

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
35 steps
15 turns on the saved route
Ramps & Exits
20
4 merges, 16 ramps or exits
Navigation Density
13.7 / 100 mi
Decision points by distance
Main Roads
I 44 East
171 mi · 67%
Manchester Road
13.4 mi · 5%
American Legion Memorial Highway
12.2 mi · 5%
US Highway 65
12 mi · 5%
Schoolcraft Freeway
10.7 mi · 4%
MO 109
5.06 mi · 2%
Longest Stretch

I 44 East

Merge slight left

170 mi · 03h 03m

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
04h 16m
Long day trip
Same-Day Return
08h 34m
Round-trip wheel time
Road vs Air
+59.7 mi
195.1 mi direct line
Halfway Stop
Saint Robert
02h 08m from Kissee Mills
Leave By
8:26 AM CST
Early departure recommended
Weather Watch

Partly Cloudy leaving Kissee Mills and Slight Chance Drizzle near O'Fallon.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 254.8 miles (410.1 km) and usually takes 04h 16m 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?

Saint Robert is a useful midpoint, sitting about 127.3 miles from Kissee Mills and 127.5 miles from O'Fallon.

How much longer is the road route than the straight-line distance?

The direct path is about 195.1 miles (314 km), while the road route adds roughly 59.7 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 CST. If you want a more comfortable same-day return, try to leave by 8:26 AM CST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $33.93 one way or $67.86 round trip. Estimated CO2 is about 79.9 kg one way.

What should you check before leaving?

Before you leave, expect Partly Cloudy around Kissee Mills and Slight Chance Drizzle near O'Fallon.

Stop Ideas Near Saint Robert

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

Mid-route Guidance
Local place coverage is thin around Saint Robert, 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 Saint Robert.

RAIL

Jefferson City

84 mi away
101 Jefferson Street
RAIL

Hermann

117 mi away
Wharf & Gutenberg Sts.

Flight Path Map

This map shows the direct air route between Kissee Mills and O'Fallon. Straight-line distance: 195.13 mi (314.03 km).

Photo coming soon

#1 Kissee Mills

Kissee Mills is a place in Missouri, United States.

Population0
Coordinates36.6836700, -93.0499000
Altitude300
CountryUnited States
O'Fallon

#2 O'Fallon

The most populous city in St.

Population89,769
Coordinates38.8106100, -90.6998500
Altitude165
CountryUnited States
Start: State Highway O (-93.049673, 36.683671)
End: (-90.699849, 38.810674)

Estimated Travel Time

Distance: 410 km by road

SpeedTime
30 mph (48.3 km/h)08h 29m
40 mph (64.37 km/h)06h 22m
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.

One-way fuel
8.99 gal
34.03 L · about $33.93
Round trip
$67.86
17.98 gal · 68.06 L
Estimated CO2
79.9 kg one way
Round trip: 159.8 kg / 352 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $33.93 $67.86
Mid-grade $4.15 $37.29 $74.58
Premium $4.51 $40.57 $81.14
Diesel $6.00 $53.90 $107.81

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 · Nov 06, 2026

There is no time difference between Kissee Mills and O'Fallon. The current time is 22:43:23.

Distance to Other Cities

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