| Gheorgheni to Olympia Heights (Florida) | 5,636.42 mi (9,070.94 km) |
| Gheorgheni to Omaha (Nebraska) | 5,381.73 mi (8,661.06 km) |
| Gheorgheni to On Top of the World Designated Place (Florida) | 5,541.12 mi (8,917.57 km) |
| Gheorgheni to Onalaska (Wisconsin) | 5,086.90 mi (8,186.57 km) |
| Gheorgheni to Oneida (New York) | 4,591.44 mi (7,389.21 km) |
| Gheorgheni to Oneonta (New York) | 4,598.45 mi (7,400.49 km) |
| Gheorgheni to Ontario (California) | 6,405.94 mi (10,309.37 km) |
| Gheorgheni to Ontario (Oregon) | 5,763.98 mi (9,276.23 km) |
| Gheorgheni to Opa-locka (Florida) | 5,623.90 mi (9,050.79 km) |
| Gheorgheni to Opelika (Alabama) | 5,476.30 mi (8,813.25 km) |
| Gheorgheni to Opelousas (Louisiana) | 5,839.69 mi (9,398.07 km) |
| Gheorgheni to Orange (California) | 6,425.85 mi (10,341.40 km) |
| Gheorgheni to Orange (Texas) | 5,922.39 mi (9,531.17 km) |
| Gheorgheni to Orange City (Florida) | 5,509.86 mi (8,867.27 km) |
| Gheorgheni to Orangeburg (South Carolina) | 5,259.86 mi (8,464.93 km) |
