| Sfantu-Gheorghe to Odessa (Texas) | 6,163.33 mi (9,918.93 km) |
| Sfantu-Gheorghe to Ogden (Utah) | 5,880.38 mi (9,463.56 km) |
| Sfantu-Gheorghe to Oildale (California) | 6,407.42 mi (10,311.75 km) |
| Sfantu-Gheorghe to Ojus (Florida) | 5,654.02 mi (9,099.27 km) |
| Sfantu-Gheorghe to Okemos (Michigan) | 4,970.41 mi (7,999.11 km) |
| Sfantu-Gheorghe to Oklahoma City (Oklahoma) | 5,801.79 mi (9,337.09 km) |
| Sfantu-Gheorghe to Okmulgee (Oklahoma) | 5,743.62 mi (9,243.47 km) |
| Sfantu-Gheorghe to Olathe (Kansas) | 5,523.97 mi (8,889.97 km) |
| Sfantu-Gheorghe to Old Jamestown (Missouri) | 5,373.95 mi (8,648.53 km) |
| Sfantu-Gheorghe to Oldsmar (Florida) | 5,650.66 mi (9,093.87 km) |
| Sfantu-Gheorghe to Olean (New York) | 4,785.81 mi (7,702.02 km) |
| Sfantu-Gheorghe to Olive Branch (Mississippi) | 5,564.83 mi (8,955.73 km) |
| Sfantu-Gheorghe to Olivehurst (California) | 6,229.07 mi (10,024.71 km) |
| Sfantu-Gheorghe to Olney (Maryland) | 4,874.94 mi (7,845.46 km) |
| Sfantu-Gheorghe to Olympia (Washington) | 5,742.90 mi (9,242.31 km) |
