Calculate route from Iowa City (Iowa, United States) to O'Fallon (Missouri, United States).
The flight distance (as the crow flies) between Iowa City and O'Fallon is 324.5 km.
Roadmap (route) to go from Iowa City to O'Fallon detailed above, you can also see the course layout on the map.
While doing trip Iowa City - O'Fallon by car, the calculated route ends at a distance , or more straight.
Country flag | ![]() |
Location | Iowa City |
State | Iowa |
County | Johnson County |
Country | United States |
Country code / ISO 2 | US |
Latitude | 41.6611300 |
Longitude | -91.5301700 |
Altitude | 204 meters |
Time zone | America/Chicago |
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 |