| Sfantu-Gheorghe to Oakley (California) | 6,301.47 mi (10,141.24 km) |
| Sfantu-Gheorghe to Oakton (Virginia) | 4,896.20 mi (7,879.68 km) |
| Sfantu-Gheorghe to Oakville (Missouri) | 5,395.95 mi (8,683.95 km) |
| Sfantu-Gheorghe to Oatfield (Oregon) | 5,842.40 mi (9,402.43 km) |
| Sfantu-Gheorghe to Ocala (Florida) | 5,571.74 mi (8,966.84 km) |
| Sfantu-Gheorghe to Ocean Acres (New Jersey) | 4,738.25 mi (7,625.47 km) |
| Sfantu-Gheorghe to Ocean City (New Jersey) | 4,773.10 mi (7,681.56 km) |
| Sfantu-Gheorghe to Ocean Pines (Maryland) | 4,836.26 mi (7,783.21 km) |
| Sfantu-Gheorghe to Ocean Pointe (Hawaii) | 7,789.06 mi (12,535.28 km) |
| Sfantu-Gheorghe to Ocean Springs (Mississippi) | 5,768.09 mi (9,282.85 km) |
| Sfantu-Gheorghe to Oceanside (California) | 6,505.98 mi (10,470.36 km) |
| Sfantu-Gheorghe to Oceanside (New York) | 4,671.73 mi (7,518.42 km) |
| Sfantu-Gheorghe to Ocoee (Florida) | 5,577.19 mi (8,975.62 km) |
| Sfantu-Gheorghe to Oconomowoc (Wisconsin) | 5,089.67 mi (8,191.04 km) |
| Sfantu-Gheorghe to Odenton (Maryland) | 4,864.19 mi (7,828.17 km) |
