Calculate route from Duclos RLA (airport) (Illinois, United States) to O'Fallon (Missouri, United States).
The flight distance (as the crow flies) between Duclos RLA (airport) and O'Fallon is 88.3 km.
Roadmap (route) to go from Duclos RLA Airport to O'Fallon detailed above, you can also see the course layout on the map.
While doing trip Duclos RLA (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 |