Calculate route from Starr (airport) (Missouri, United States) to O'Fallon (Missouri, United States).
The flight distance (as the crow flies) between Starr (airport) and O'Fallon is 343.0 km.
Roadmap (route) to go from Starr Airport to O'Fallon detailed above, you can also see the course layout on the map.
While doing trip Starr (airport) - 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 |