| Valu lui Traian to Olympia Heights (Florida) | 5,844.89 mi (9,406.45 km) |
| Valu lui Traian to Omaha (Nebraska) | 5,606.22 mi (9,022.34 km) |
| Valu lui Traian to On Top of the World Designated Place (Florida) | 5,754.41 mi (9,260.83 km) |
| Valu lui Traian to Onalaska (Wisconsin) | 5,311.20 mi (8,547.55 km) |
| Valu lui Traian to Oneida (New York) | 4,811.10 mi (7,742.71 km) |
| Valu lui Traian to Oneonta (New York) | 4,817.42 mi (7,752.89 km) |
| Valu lui Traian to Ontario (California) | 6,627.49 mi (10,665.91 km) |
| Valu lui Traian to Ontario (Oregon) | 5,982.73 mi (9,628.27 km) |
| Valu lui Traian to Opa-locka (Florida) | 5,832.47 mi (9,386.45 km) |
| Valu lui Traian to Opelika (Alabama) | 5,694.35 mi (9,164.17 km) |
| Valu lui Traian to Opelousas (Louisiana) | 6,060.31 mi (9,753.13 km) |
| Valu lui Traian to Orange (California) | 6,647.35 mi (10,697.88 km) |
| Valu lui Traian to Orange (Texas) | 6,143.65 mi (9,887.25 km) |
| Valu lui Traian to Orange City (Florida) | 5,722.19 mi (9,208.98 km) |
| Valu lui Traian to Orangeburg (South Carolina) | 5,475.60 mi (8,812.12 km) |
