How far is Glasgow, MO from O'Fallon, MO?
Fastest route
Travel from Glasgow, Missouri 65254, to O'Fallon, Missouri, takes approximately 2 hours and 3 minutes, covering a distance of 132 miles via I-70 E.
Directions
- Head east on Commerce St toward 2nd St.
- Continue straight to stay on Commerce St.
- Continue onto MO-240 Business W/Randolph St.
- Turn left onto MO-240 E/MO-5 S.
- Slight left onto MO-240 E/N Church St.
- Use the left lane to take the I-70 E/US-40 E ramp.
- Follow I-70 E to State Hwy K/Main St in O'Fallon. Take exit 217 from I-70 E.
- Take exit 217 for State Hwy K/Main St toward O'Fallon.
- Keep left at the fork to continue toward State Hwy K/Main St.
- Turn left onto State Hwy K/Main St.
Tips & Suggestions
- 🚗 Check traffic conditions and choose the fastest route before starting your journey.
- ⛽ Make sure your vehicle is fueled up before hitting the road.
- 📱 Use navigation apps to stay updated on the route and any potential detours.
- 🍽️ Consider taking a break during the trip and enjoy local restaurants or attractions along the way.
- 🚓 Abide by traffic rules and speed limits for a safe journey.
- 🚧 Be prepared for any roadwork or construction that might cause delays.
- 🛣️ Keep an eye on road signs to avoid missing any important exits or turns.
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 12m.
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.
Human settlement in Callaway County, Missouri, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Glasgow and O'Fallon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Glasgow and O'Fallon.
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1
Start on Commerce Street
1324 ft · 32 sec · Commerce Street
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2
Turn slight left onto 6th Street
117 m · 9 sec · 6th Street
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3
Continue on Randolph Street
1.1 km · 1 min · Randolph Street
-
4
Keep slight left to continue on Randolph Street
2.3 mi · 3 min · Randolph Street
-
5
At the end of the road, turn left
8.8 mi · 12 min
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6
Continue on North Church Street
12.8 mi · 19 min · North Church Street
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7
Keep slight left
12.2 mi · 15 min
-
8
Continue on Dwight D. Eisenhower Highway
1.8 mi · 2 min · Dwight D. Eisenhower Highway
-
9
Continue on Highway Patrol Sgt. Benjamin Booth Memorial Highway
1.6 mi · 2 min · Highway Patrol Sgt. Benjamin Booth Memorial Highway
-
10
Continue on Sheriff Roger I. Wilson Memorial Highway
1.9 mi · 2 min · Sheriff Roger I. Wilson Memorial Highway
-
11
Continue on Dwight D. Eisenhower Highway
88.2 mi · 1 hr 44 min · Dwight D. Eisenhower Highway
-
12
Take the exit slight right toward MO K: O'Fallon
1765 ft · 43 sec
-
13
Turn straight onto Drennen Parkway
46 m · 3 sec · Drennen Parkway
-
14
Keep slight right to continue on Drennen Parkway
51 m · 6 sec · Drennen Parkway
-
15
Turn slight left onto MO K: O'Fallon
19 m · 3 sec
-
16
Continue on South Main Street
3115 ft · 2 min · South Main Street
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17
Turn right
8 m · 2 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Glasgow and O'Fallon.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Dwight D. Eisenhower Highway
Continue on Dwight D. Eisenhower Highway
88.2 mi · 01h 44m
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.
Chance Showers And Thunderstorms leaving Glasgow 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 Glasgow to O'Fallon?
The road trip is about 131.7 miles (211.9 km) and usually takes 02h 12m 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?
Kingdom City is a useful midpoint, sitting about 65.7 miles from Glasgow and 65.9 miles from O'Fallon.
How much longer is the road route than the straight-line distance?
The direct path is about 118.8 miles (191.2 km), while the road route adds roughly 12.9 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 2:06 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.54 one way or $35.07 round trip. Estimated CO2 is about 41.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Glasgow and Mostly Sunny near O'Fallon.
Stop Ideas Near Kingdom City
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 Kingdom City.
Jefferson City
Hermann
Washington
Sedalia
Flight Path Map
This map shows the direct air route between Glasgow and O'Fallon. Straight-line distance: 118.78 mi (191.15 km).
#1 Glasgow
Town in Missouri
| Population | 1,084 |
| Coordinates | 39.2272500, -92.8465800 |
| Altitude | 205 |
| 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: 212 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 23m |
| 40 mph (64.37 km/h) | 03h 17m |
| 50 mph (80.47 km/h) | 02h 38m |
| 60 mph (96.56 km/h) | 02h 11m |
| 70 mph (112.65 km/h) | 01h 52m |
| 80 mph (129 km/h) | 01h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $17.54 | $35.07 |
| Mid-grade | $4.25 | $19.78 | $39.55 |
| Premium | $4.65 | $21.64 | $43.28 |
| Diesel | $5.30 | $24.66 | $49.33 |
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 · May 04, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.