Calculate route from Tan Tar A Resort Seaplane Base (Missouri, United States) to O'Fallon (Missouri, United States).
The flight distance (as the crow flies) between Tan Tar A Resort Seaplane Base and O'Fallon is 192.3 km.
Roadmap (route) to go from Tan Tar A Resort Seaplane Base to O'Fallon detailed above, you can also see the course layout on the map.
While doing trip Tan Tar A Resort Seaplane Base - 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 |