How far is O'Fallon, IL from Aurora, IL?
The driving distance from O'Fallon, IL to Aurora, IL is about 264.5 miles (425.6 km), with a travel time of about 04h 23m by car.
- The straight-line flight distance is about 234.4 miles (377.3 km).
- For a round trip, plan for roughly 08h 47m 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 23m.
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.
Unincorporated community in Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between O'Fallon and Aurora.
Turn-by-Turn Driving Directions
Step-by-step road directions between O'Fallon and Aurora.
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1
Start on West State Street
1.5 km · 2 min · West State Street
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2
Enter the roundabout and take exit 2 toward West State Street
22 m · 3 sec · West State Street
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3
Exit the roundabout onto West State Street
998 ft · 28 sec · West State Street
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4
Turn right onto West Highway 50
2559 ft · 51 sec · West Highway 50
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5
Take the ramp slight right
2098 ft · 51 sec
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6
Merge slight left
1.8 mi · 2 min
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7
Take the exit slight right toward IL 159: Belleville, Collinsville
1536 ft · 29 sec
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8
Keep slight right to continue on Collinsville
67 m · 5 sec
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9
Turn straight onto North Illinois Street
3.8 mi · 6 min · North Illinois Street
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10
Continue on South Morrison Avenue
1.3 mi · 2 min · South Morrison Avenue
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11
Continue on Vandalia Street
2.8 mi · 5 min · Vandalia Street
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12
Take the ramp slight right toward I 55 North, I 70 East
2235 ft · 55 sec
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13
Merge slight left
3.8 mi · 4 min
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14
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
107.9 mi · 1 hr 57 min
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15
Keep slight right to continue on I 55 North: Chicago
29.4 mi · 31 min
-
16
Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria
63.6 mi · 1 hr 8 min
-
17
Take the exit slight right toward IL 47: Morris, Dwight
1853 ft · 35 sec
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18
Turn left
32 mi · 39 min
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19
Turn right onto Walker Road
1.5 mi · 2 min · Walker Road
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20
Turn left onto Ashley Road
2.8 mi · 4 min · Ashley Road
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21
At the end of the road, turn right onto East Schoolhouse Road
2391 ft · 46 sec · East Schoolhouse Road
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22
Turn left onto Minkler Road
3.4 mi · 5 min · Minkler Road
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23
Enter the roundabout and take exit 2 toward Minkler Road
38 m · 4 sec · Minkler Road
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24
Exit the roundabout onto Minkler Road
1.5 km · 2 min · Minkler Road
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25
Continue on Orchard Road
1.2 km · 1 min · Orchard Road
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26
Turn right
1.2 mi · 2 min
-
27
Continue straight
2.5 mi · 4 min
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28
Continue straight
3.4 mi · 6 min
-
29
Turn left onto West Galena Boulevard
575 ft · 10 sec · West Galena Boulevard
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30
Arrive at your destination
0 m · 1 sec · West Galena Boulevard
Car Route Details
A richer read on the saved driving route between O'Fallon and Aurora.
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 55 North
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
108 mi · 01h 57m
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 Aurora.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from O'Fallon to Aurora?
The road trip is about 264.5 miles (425.6 km) and usually takes 04h 23m 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?
Lawndale is a useful midpoint, sitting about 133.2 miles from O'Fallon and 131.3 miles from Aurora.
How much longer is the road route than the straight-line distance?
The direct path is about 234.4 miles (377.3 km), while the road route adds roughly 30.1 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 8:12 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.18 one way or $70.37 round trip. Estimated CO2 is about 82.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around O'Fallon and Sunny near Aurora.
Stop Ideas Near Lawndale
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Route 66 Original Alignment- Driveable!
City of Lincoln
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lawndale.
Lincoln
Uptown Station
Springfield station
Peoria, Illinois
Flight Path Map
This map shows the direct air route between O'Fallon and Aurora. Straight-line distance: 234.46 mi (377.33 km).
#1 O'Fallon
Township in St.
| Population | 29,606 |
| Coordinates | 38.5922700, -89.9112100 |
| Altitude | 167 |
| Country | United States |
#2 Aurora
The second most populous city in Illinois.
| Population | 196,383 |
| Coordinates | 41.7605800, -88.3200700 |
| Altitude | 207 |
| Country | United States |
End: West Galena Boulevard (-88.320111, 41.76053)
Estimated Travel Time
Distance: 426 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 48m |
| 40 mph (64.37 km/h) | 06h 36m |
| 50 mph (80.47 km/h) | 05h 17m |
| 60 mph (96.56 km/h) | 04h 24m |
| 70 mph (112.65 km/h) | 03h 46m |
| 80 mph (129 km/h) | 03h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $35.18 | $70.37 |
| Mid-grade | $4.25 | $39.68 | $79.36 |
| Premium | $4.65 | $43.42 | $86.84 |
| Diesel | $5.30 | $49.49 | $98.97 |
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 Illinois · 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.