Calculate route from Mud Harbor Seaplane Base (Missouri, United States) to Upper Alton (Illinois, United States).
The flight distance (as the crow flies) between Mud Harbor Seaplane Base and Upper Alton is 235.2 km.
Roadmap (route) to go from Mud Harbor Seaplane Base to Upper Alton detailed above, you can also see the course layout on the map.
While doing trip Mud Harbor 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 |