How far is Eldon, MO from O'Fallon, MO?
The driving distance from Eldon, MO to O'Fallon, MO is about 130.4 miles (209.9 km), with a travel time of about 02h 02m by car.
- The straight-line flight distance is about 106.6 miles (171.5 km).
- For a round trip, plan for roughly 04h 05m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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 02m.
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.
Partly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Eldon and O'Fallon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Eldon and O'Fallon.
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1
Start on West 2nd Street
26 m · 9 sec · West 2nd Street
-
2
Turn left onto South Aurora Street
781 ft · 36 sec · South Aurora Street
-
3
Turn right onto East North Street
2078 ft · 1 min · East North Street
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4
Turn left
3218 ft · 1 min
-
5
Continue straight
1.2 mi · 2 min
-
6
Take the ramp straight toward US 54 East: Jefferson City
2157 ft · 53 sec
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7
Merge slight left
1 mi · 1 min
-
8
Turn straight
56.1 mi · 1 hr 3 min
-
9
Take the exit slight right toward I 70 East, US 40 East: Saint Louis
1220 ft · 15 sec
-
10
Merge slight left onto Dwight D. Eisenhower Highway
69.2 mi · 1 hr 20 min · Dwight D. Eisenhower Highway
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11
Take the exit slight right toward MO K: O'Fallon
1765 ft · 43 sec
-
12
Turn straight onto Drennen Parkway
46 m · 3 sec · Drennen Parkway
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13
Keep slight right to continue on Drennen Parkway
51 m · 6 sec · Drennen Parkway
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14
Turn slight left onto MO K: O'Fallon
19 m · 3 sec
-
15
Continue on South Main Street
3115 ft · 2 min · South Main Street
-
16
Turn right
8 m · 2 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Eldon and O'Fallon.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Dwight D. Eisenhower Highway
Merge slight left onto Dwight D. Eisenhower Highway
69.2 mi · 01h 20m
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.
Partly Sunny then Slight Chance Showers And Thunderstorms leaving Eldon 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 Eldon to O'Fallon?
The road trip is about 130.4 miles (209.9 km) and usually takes 02h 02m 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 65.1 miles from Eldon and 65.3 miles from O'Fallon.
How much longer is the road route than the straight-line distance?
The direct path is about 106.6 miles (171.5 km), while the road route adds roughly 23.8 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 2:24 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.35 one way or $34.69 round trip. Estimated CO2 is about 40.9 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Eldon 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 Eldon and O'Fallon. Straight-line distance: 106.53 mi (171.45 km).
#1 Eldon
City in Missouri
| Population | 4,746 |
| Coordinates | 38.3483600, -92.5815800 |
| Altitude | 282 |
| 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: 210 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 20m |
| 40 mph (64.37 km/h) | 03h 15m |
| 50 mph (80.47 km/h) | 02h 36m |
| 60 mph (96.56 km/h) | 02h 10m |
| 70 mph (112.65 km/h) | 01h 51m |
| 80 mph (129 km/h) | 01h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $17.35 | $34.69 |
| Mid-grade | $4.25 | $19.56 | $39.13 |
| Premium | $4.65 | $21.41 | $42.82 |
| Diesel | $5.30 | $24.40 | $48.80 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.