| Bad Salzungen to Olympia Heights (Florida) | 4,884.01 mi (7,860.05 km) |
| Bad Salzungen to Omaha (Nebraska) | 4,683.97 mi (7,538.12 km) |
| Bad Salzungen to On Top of the World Designated Place (Florida) | 4,791.27 mi (7,710.80 km) |
| Bad Salzungen to Onalaska (Wisconsin) | 4,383.90 mi (7,055.20 km) |
| Bad Salzungen to Oneida (New York) | 3,853.92 mi (6,202.28 km) |
| Bad Salzungen to Oneonta (New York) | 3,858.75 mi (6,210.06 km) |
| Bad Salzungen to Ontario (California) | 5,771.49 mi (9,288.32 km) |
| Bad Salzungen to Ontario (Oregon) | 5,161.09 mi (8,305.98 km) |
| Bad Salzungen to Opa-locka (Florida) | 4,871.51 mi (7,839.93 km) |
| Bad Salzungen to Opelika (Alabama) | 4,733.83 mi (7,618.37 km) |
| Bad Salzungen to Opelousas (Louisiana) | 5,104.89 mi (8,215.53 km) |
| Bad Salzungen to Orange (California) | 5,791.76 mi (9,320.94 km) |
| Bad Salzungen to Orange (Texas) | 5,190.24 mi (8,352.88 km) |
| Bad Salzungen to Orange City (Florida) | 4,759.20 mi (7,659.20 km) |
| Bad Salzungen to Orangeburg (South Carolina) | 4,513.00 mi (7,262.97 km) |
