| Bad Hersfeld to Olympia Heights (Florida) | 4,860.93 mi (7,822.92 km) |
| Bad Hersfeld to Omaha (Nebraska) | 4,663.60 mi (7,505.35 km) |
| Bad Hersfeld to On Top of the World Designated Place (Florida) | 4,768.44 mi (7,674.07 km) |
| Bad Hersfeld to Onalaska (Wisconsin) | 4,363.35 mi (7,022.13 km) |
| Bad Hersfeld to Oneida (New York) | 3,831.83 mi (6,166.74 km) |
| Bad Hersfeld to Oneonta (New York) | 3,836.55 mi (6,174.33 km) |
| Bad Hersfeld to Ontario (California) | 5,753.39 mi (9,259.19 km) |
| Bad Hersfeld to Ontario (Oregon) | 5,144.28 mi (8,278.91 km) |
| Bad Hersfeld to Opa-locka (Florida) | 4,848.44 mi (7,802.80 km) |
| Bad Hersfeld to Opelika (Alabama) | 4,711.45 mi (7,582.35 km) |
| Bad Hersfeld to Opelousas (Louisiana) | 5,082.88 mi (8,180.11 km) |
| Bad Hersfeld to Orange (California) | 5,773.67 mi (9,291.83 km) |
| Bad Hersfeld to Orange (Texas) | 5,168.35 mi (8,317.66 km) |
| Bad Hersfeld to Orange City (Florida) | 4,736.32 mi (7,622.36 km) |
| Bad Hersfeld to Orangeburg (South Carolina) | 4,490.37 mi (7,226.56 km) |
