How far is O'Fallon, MO from Garden City, MO?
The driving distance from O'Fallon, MO to Garden City, MO is about 227.1 miles (365.5 km), with a travel time of about 04h 40m by car.
- The straight-line flight distance is about 189.1 miles (304.3 km).
- For a round trip, plan for roughly 09h 20m 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 40m.
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.
City in Cooper County, Missouri, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between O'Fallon and Garden City.
Turn-by-Turn Driving Directions
Step-by-step road directions between O'Fallon and Garden City.
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1
Start on the route
8 m · 7 sec
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2
Turn left onto South Main Street
3116 ft · 2 min · South Main Street
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3
Turn left onto I 70 East
10 m · 6 sec
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4
Turn sharp left onto South Main Street
87 m · 11 sec · South Main Street
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5
Turn left onto West Terra Lane
576 ft · 12 sec · West Terra Lane
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6
Take the ramp straight toward I 70 West
146 m · 7 sec
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7
Merge slight left
185.9 mi · 3 hr 30 min
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8
Take the exit slight right toward MO Z, MO D: Bates City, Napoleon
1229 ft · 34 sec
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9
Turn left
119 m · 16 sec
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10
Continue on East Old US 40 Highway
947 ft · 31 sec · East Old US 40 Highway
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11
Turn left onto North Second Street
1775 ft · 50 sec · North Second Street
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12
Continue on South 2nd Street
872 ft · 30 sec · South 2nd Street
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13
At the end of the road, turn left onto East State Route Z
10.2 mi · 14 min · East State Route Z
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14
Turn right
1716 ft · 23 sec
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15
Take the exit slight left
86 m · 8 sec
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16
Merge slight right
1594 ft · 24 sec
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17
Turn right
1.5 km · 1 min
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18
Turn right
7.9 mi · 14 min
-
19
Turn left onto West Pacific Street
1654 ft · 35 sec · West Pacific Street
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20
Turn right onto Chestnut Street
7.7 mi · 14 min · Chestnut Street
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21
Turn right
6.6 mi · 12 min
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22
Turn left
4.6 mi · 8 min
-
23
Continue straight
1179 ft · 25 sec
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24
Turn left onto Main Street
842 ft · 37 sec · Main Street
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25
Arrive at your destination
0 m · 1 sec · Main Street
Car Route Details
A richer read on the saved driving route between O'Fallon and Garden City.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 70 West
Merge slight left
186 mi · 03h 30m
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.
Sunny leaving O'Fallon and Sunny near Garden City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from O'Fallon to Garden City?
The road trip is about 227.1 miles (365.5 km) and usually takes 04h 40m 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 113.4 miles from O'Fallon and 113.8 miles from Garden City.
How much longer is the road route than the straight-line distance?
The direct path is about 189.1 miles (304.3 km), while the road route adds roughly 38 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 7:40 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.21 one way or $60.41 round trip. Estimated CO2 is about 71.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around O'Fallon and Sunny near Garden City.
Stop Ideas Near Boonville
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 Boonville.
Sedalia
Jefferson City
Warrensburg
Hermann
Flight Path Map
This map shows the direct air route between O'Fallon and Garden City. Straight-line distance: 189.08 mi (304.3 km).
#1 O'Fallon
The most populous city in St.
| Population | 89,769 |
| Coordinates | 38.8106100, -90.6998500 |
| Altitude | 165 |
| Country | United States |
#2 Garden City
City in Cass County, Missouri, United States
| Population | 1,638 |
| Coordinates | 38.5611200, -94.1913300 |
| Altitude | 281 |
| Country | United States |
End: Garden City (-94.19133, 38.56112)
Estimated Travel Time
Distance: 366 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 34m |
| 40 mph (64.37 km/h) | 05h 40m |
| 50 mph (80.47 km/h) | 04h 32m |
| 60 mph (96.56 km/h) | 03h 47m |
| 70 mph (112.65 km/h) | 03h 14m |
| 80 mph (129 km/h) | 02h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $30.21 | $60.41 |
| Mid-grade | $4.25 | $34.07 | $68.13 |
| Premium | $4.65 | $37.28 | $74.56 |
| Diesel | $5.30 | $42.49 | $84.97 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.