Calculate route from Tan Tar A Resort Seaplane Base (Missouri, United States) to Upper Alton (Illinois, United States).
The flight distance (as the crow flies) between Tan Tar A Resort Seaplane Base and Upper Alton is 240.6 km.
Roadmap (route) to go from Tan Tar A Resort Seaplane Base to Upper Alton detailed above, you can also see the course layout on the map.
While doing trip Tan Tar A Resort Seaplane Base - Upper Alton by car, the calculated route ends at a distance , or more straight.
| Country flag | ![]() |
| Location | Upper Alton |
| State | Illinois |
| County | Madison County |
| Country | United States |
| Country code / ISO 2 | US |
| Latitude | 38.9114400 |
| Longitude | -90.1506600 |
| Altitude | 166 meters |
| Time zone | America/Chicago |