Calculate route from Concord (Missouri, United States) to O'Fallon (Missouri, United States).
The flight distance (as the crow flies) between Concord and O'Fallon is 43.5 km.
Roadmap (route) to go from Concord to O'Fallon detailed above, you can also see the course layout on the map.
While doing trip Concord - O'Fallon by car, the calculated route ends at a distance , or more straight.
| Country flag | ![]() |
| Location | O'Fallon |
| State | Missouri |
| County | Saint Charles County |
| Country | United States |
| Country code / ISO 2 | US |
| Latitude | 38.8106100 |
| Longitude | -90.6998500 |
| Altitude | 165 meters |
| Time zone | America/Chicago |