| Sankt Leon-Rot to Olympia Heights (Florida) | 4,845.93 mi (7,798.77 km) |
| Sankt Leon-Rot to Omaha (Nebraska) | 4,693.82 mi (7,553.97 km) |
| Sankt Leon-Rot to On Top of the World Designated Place (Florida) | 4,761.47 mi (7,662.85 km) |
| Sankt Leon-Rot to Onalaska (Wisconsin) | 4,391.80 mi (7,067.92 km) |
| Sankt Leon-Rot to Oneida (New York) | 3,840.54 mi (6,180.75 km) |
| Sankt Leon-Rot to Oneonta (New York) | 3,843.32 mi (6,185.22 km) |
| Sankt Leon-Rot to Ontario (California) | 5,802.96 mi (9,338.96 km) |
| Sankt Leon-Rot to Ontario (Oregon) | 5,203.17 mi (8,373.69 km) |
| Sankt Leon-Rot to Opa-locka (Florida) | 4,833.58 mi (7,778.89 km) |
| Sankt Leon-Rot to Opelika (Alabama) | 4,714.41 mi (7,587.11 km) |
| Sankt Leon-Rot to Opelousas (Louisiana) | 5,092.07 mi (8,194.89 km) |
| Sankt Leon-Rot to Orange (California) | 5,823.30 mi (9,371.70 km) |
| Sankt Leon-Rot to Orange (Texas) | 5,179.37 mi (8,335.38 km) |
| Sankt Leon-Rot to Orange City (Florida) | 4,727.64 mi (7,608.41 km) |
| Sankt Leon-Rot to Orangeburg (South Carolina) | 4,488.44 mi (7,223.44 km) |
