| Losser to Olympia Heights (Florida) | 4,722.83 mi (7,600.66 km) |
| Losser to Omaha (Nebraska) | 4,512.56 mi (7,262.27 km) |
| Losser to On Top of the World Designated Place (Florida) | 4,626.57 mi (7,445.74 km) |
| Losser to Onalaska (Wisconsin) | 4,212.43 mi (6,779.25 km) |
| Losser to Oneida (New York) | 3,684.58 mi (5,929.76 km) |
| Losser to Oneonta (New York) | 3,689.87 mi (5,938.27 km) |
| Losser to Ontario (California) | 5,603.58 mi (9,018.09 km) |
| Losser to Ontario (Oregon) | 4,996.71 mi (8,041.43 km) |
| Losser to Opa-locka (Florida) | 4,710.27 mi (7,580.44 km) |
| Losser to Opelika (Alabama) | 4,565.77 mi (7,347.90 km) |
| Losser to Opelousas (Louisiana) | 4,935.24 mi (7,942.49 km) |
| Losser to Orange (California) | 5,623.87 mi (9,050.74 km) |
| Losser to Orange (Texas) | 5,020.21 mi (8,079.25 km) |
| Losser to Orange City (Florida) | 4,595.20 mi (7,395.27 km) |
| Losser to Orangeburg (South Carolina) | 4,346.52 mi (6,995.05 km) |
