O'Fallon and Saint Charles are separated by a distance of approximately 11.9 mi in a straight line.
See also the distance O'Fallon, MO to Saint Charles, MO calculated for a road trip (by car) , calculated for a bike ride , walk or public transport (bus, Metro, Train, Tram).
You also have the travel duration from O'Fallon top Saint Charles and the cost of fuel (gasoline or diesel) to cover the distance between O'Fallon and Saint Charles.
Distance (by car) between O'Fallon and Saint Charles : .
Travel duration : .
Cost Fuel (Diesel): .
Cost Fuel (Petrol) : .
How to go to O'Fallon by bus from any cities or places ? What is the best route from Saint Charles to O'Fallon ? If you just wondering how far is O'Fallon from Saint Charles ? You can find answers at these questions on this page and even more information like duration of the trip, the shorter and faster routes. Below, you have links to rent a car in O'Fallon or Saint Charles if needed.

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| - | O'Fallon | Saint Charles |
|---|---|---|
| State | Missouri | Missouri |
| Population | 85,040 Habitants | 65,794 inhabitants |
| Average altitude | 164 m | 150 m |
| Longitude | -90.6998500 | -90.4812300 |
| Latitude | 38.8106100 | 38.7839400 |
| Distance in straight line | 11.9 mi | |
| Distance by car | ||
| Travel duration (by car) | ||
| Distance by bike | ||
| Travel duration (by bike) | ||
Alternates names : O'Fallon, O'Fallon Station
| Cities | Population | Distance from Saint Charles, MO |
|---|---|---|
| O'Fallon, MO | 85,040 inhabitants | 0 km |
| Saint Peters, MO | 52,575 inhabitants | 6 km |
| Lake Saint Louis, MO | 14,545 inhabitants | 8 km |
| Dardenne Prairie, MO | 12,890 inhabitants | 5 km |
| Weldon Spring, MO | 5,575 inhabitants | 11 km |
| Cottleville, MO | 4,723 inhabitants | 8 km |
| Saint Paul, MO | 1,829 inhabitants | 7 km |