How far is Cahokia, IL from O'Fallon, IL?
Distance by Flight
Shortest distance between Cahokia and O'Fallon is 15.14 miles (24.36 km).
Flight distance from Cahokia, IL to O'Fallon, IL is 15.14 miles. Estimated flight time is 00 hours 02 minutes.
Driving distance
The driving distance from Cahokia, Illinois to O'Fallon, Illinois is: 18.8 miles (30.25 km) by car.
Driving from Cahokia to O'Fallon will take approximately 00 hours 23 minutes.
#1 Cahokia
Village in St. Clair County, Illinois, USA
| Population | 13742 |
|---|---|
| GPS Coordinates | 38°34'15"N 90°11'24"W |
| Latitude | 38.5708800 |
| Longitude | -90.1901100 |
| Altitude | 124 |
| Country | United States |
#2 O'Fallon
Township in St. Clair County, Illinois
| Population | 29606 |
|---|---|
| GPS Coordinates | 38°35'32"N 89°54'40"W |
| Latitude | 38.5922700 |
| Longitude | -89.9112100 |
| Altitude | 167 |
| Country | United States |
Ending point in O'Fallon: West State Street (-89.911209,38.592282)
Estimated Travel Time Between Cahokia and O'Fallon
The distance between Cahokia and O'Fallon is 30 km if you choose to drive by road. You can go 00 hours 20 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
There is no time difference between Cahokia and O'Fallon. The current time is 02:01:11.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 00 hours 37 minutes |
| 40 mph (64.37 km/h) | 00 hours 28 minutes |
| 50 mph (80.47 km/h) | 00 hours 22 minutes |
| 60 mph (96.56 km/h) | 00 hours 18 minutes |
| 70 mph (112.65 km/h) | 00 hours 16 minutes |
| 75 mph (120.7 km/h) | 00 hours 15 minutes |
| 80 mph (128.75 km/h) | 00 hours 14 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 2.51 liters (0.66 gallon) of gas to cover the route between Cahokia and O'Fallon.
The estimated cost of gas to go from Cahokia to O'Fallon is $2.39 (diesel $2.85).
Illinois gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.61 | $4.11 | $4.55 | $4.3 |
| Total | $2.39 | $2.73 | $3.02 | $2.85 |
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price (in Illinois ) per gallon of daily gas for calculations is $3.607 (Diesel $4.300) /gallon. Last changed prices on May 19, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Cahokia and O'Fallon (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
