Calculate route from Marshall (Missouri, United States) to O'Fallon (Missouri, United States).
The flight distance (as the crow flies) between Marshall and O'Fallon is 218.5 km.
Roadmap (route) to go from Marshall to O'Fallon detailed above, you can also see the course layout on the map.
While doing trip Marshall - 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 |