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

The driving distance from O'Fallon, MO to Gladstone, MO is about 222.5 miles (358 km), with a travel time of about 04h 20m by car.

  • The straight-line flight distance is about 208.7 miles (335.9 km).
  • For a round trip, plan for roughly 08h 41m 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
222.43 mi
04h 20m
Flight
208.72 mi
335.91 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
208.72 mi
Kilometers
335.91 km
Flight Time
00h 25m

Driving Distance

Road route
222.43 mi
Kilometers
357.96 km
Drive Time
04h 20m

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 20m.

Arrival Snapshot
Arrive in Gladstone
Fri, Apr 24, 6:31 AM CDT
Return by in O'Fallon
Fri, Apr 24, 10:52 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave O'Fallon
2026-04-24T02:11
Arrive Gladstone
Fri, Apr 24, 6:31 AM CDT
Route Timing
04h 20m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:21 AM to 12:21 PM CDT

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

Leave by
8:18 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
Boonville
MO

City in Cooper County, Missouri, USA

From O'Fallon
111 mi
02h 10m
To Gladstone
111.4 mi
02h 10m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
74°F
Friday

Showers And Thunderstorms

Starts
Fri, Apr 24 6:00 AM CDT
Wind
8 to 12 mph SW
Destination
66°F
Friday

Chance Showers And Thunderstorms

Starts
Fri, Apr 24 6:00 AM CDT
Wind
9 to 13 mph NNW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    200.7 mi · 3 hr 46 min

  8. 8

    Continue on Truman/Eisenhower Presidential Highway

    2.7 mi · 3 min · Truman/Eisenhower Presidential Highway

  9. 9

    Continue on Clifton J. Scott Memorial Highway

    1.8 mi · 2 min · Clifton J. Scott Memorial Highway

  10. 10

    Continue on Truman/Eisenhower Presidential Highway

    2.9 mi · 3 min · Truman/Eisenhower Presidential Highway

  11. 11

    Continue on George Brett Super Highway

    1.4 km · 58 sec · George Brett Super Highway

  12. 12

    Take the exit slight right toward I 435 North, US 24 East: Des Moines

    1.1 mi · 2 min

  13. 13

    Merge slight left onto Lamar Hunt Memorial Highway

    4.1 mi · 5 min · Lamar Hunt Memorial Highway

  14. 14

    Take the exit slight right toward East Front Street

    746 ft · 18 sec

  15. 15

    Turn left onto East Front Street, Riverfront Park Access

    54 m · 5 sec

  16. 16

    Continue on East Front Street

    1.3 mi · 3 min · East Front Street

  17. 17

    Turn right onto North Chouteau Trafficway

    1.6 mi · 3 min · North Chouteau Trafficway

  18. 18

    Continue on Northeast Chouteau Parkway

    1.7 mi · 3 min · Northeast Chouteau Parkway

  19. 19

    Continue on Northeast Chouteau Trafficway

    1.6 mi · 3 min · Northeast Chouteau Trafficway

  20. 20

    Turn right onto North Antioch Road

    3141 ft · 1 min · North Antioch Road

  21. 21

    Turn left onto Northeast 60th Street

    1475 ft · 1 min · Northeast 60th Street

  22. 22

    At the end of the road, turn right onto North Howard Avenue

    105 m · 20 sec · North Howard Avenue

  23. 23

    Turn left onto Northeast 60th Terrace

    114 m · 22 sec · Northeast 60th Terrace

  24. 24

    Turn sharp right onto North Garfield Avenue

    41 m · 6 sec · North Garfield Avenue

  25. 25

    Arrive at your destination

    0 m · 1 sec · North Garfield Avenue

Car Route Details

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

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
25 steps
11 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
11.2 / 100 mi
Decision points by distance
Main Roads
I 70 West
201 mi · 90%
Truman/Eisenhower Presidential Highway
5.56 mi · 2%
Lamar Hunt Memorial Highway
4.12 mi · 2%
Clifton J. Scott Memorial Highway
1.81 mi · 1%
Northeast Chouteau Parkway
1.68 mi · 1%
North Chouteau Trafficway
1.64 mi · 1%
Longest Stretch

I 70 West

Merge slight left

201 mi · 03h 46m

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 20m
Long day trip
Same-Day Return
08h 42m
Round-trip wheel time
Road vs Air
+13.8 mi
208.7 mi direct line
Halfway Stop
Boonville
02h 10m from O'Fallon
Leave By
8:18 AM CDT
Early departure recommended
Weather Watch

Showers And Thunderstorms leaving O'Fallon and Chance Showers And Thunderstorms near Gladstone.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 222.5 miles (358 km) and usually takes 04h 20m 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?

Boonville is a useful midpoint, sitting about 111 miles from O'Fallon and 111.4 miles from Gladstone.

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

The direct path is about 208.7 miles (335.9 km), while the road route adds roughly 13.8 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 8:18 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $29.60 one way or $59.20 round trip. Estimated CO2 is about 69.8 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around O'Fallon and Chance Showers And Thunderstorms near Gladstone.

Stop Ideas Near Boonville

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

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

RAIL

Sedalia

51 mi away
100 block of Main Street, through parking lot
RAIL

Jefferson City

66 mi away
101 Jefferson Street
RAIL

Warrensburg

89 mi away
100 South Holden St.
RAIL

Hermann

117 mi away
Wharf & Gutenberg Sts.

Flight Path Map

This map shows the direct air route between O'Fallon and Gladstone. Straight-line distance: 208.72 mi (335.91 km).

O'Fallon

#1 O'Fallon

The most populous city in St.

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

#2 Gladstone

City in Missouri, USA

Population27,677
Coordinates39.2038900, -94.5546800
Altitude287
CountryUnited States
Start: O'Fallon (-90.69985, 38.81061)
End: Gladstone (-94.55468, 39.20389)

Estimated Travel Time

Distance: 358 km by road

SpeedTime
30 mph (48.3 km/h)07h 24m
40 mph (64.37 km/h)05h 33m
50 mph (80.47 km/h)04h 26m
60 mph (96.56 km/h)03h 42m
70 mph (112.65 km/h)03h 10m
80 mph (129 km/h)02h 46m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.85 gal
29.71 L · about $29.60
Round trip
$59.20
15.7 gal · 59.42 L
Estimated CO2
69.8 kg one way
Round trip: 139.5 kg / 308 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $29.60 $59.20
Mid-grade $4.25 $33.39 $66.77
Premium $4.65 $36.53 $73.07
Diesel $5.30 $41.64 $83.27

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 24, 2026

There is no time difference between O'Fallon and Gladstone. The current time is 02:11:00.

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.