| Sfantu-Gheorghe to Orangevale (California) | 6,247.29 mi (10,054.05 km) |
| Sfantu-Gheorghe to Orchards (Washington) | 5,823.50 mi (9,372.02 km) |
| Sfantu-Gheorghe to Orcutt (California) | 6,474.03 mi (10,418.94 km) |
| Sfantu-Gheorghe to Oregon (Ohio) | 4,988.53 mi (8,028.27 km) |
| Sfantu-Gheorghe to Oregon (Wisconsin) | 5,128.48 mi (8,253.49 km) |
| Sfantu-Gheorghe to Oregon City (Oregon) | 5,846.91 mi (9,409.70 km) |
| Sfantu-Gheorghe to Orem (Utah) | 5,930.43 mi (9,544.11 km) |
| Sfantu-Gheorghe to Orinda (California) | 6,318.47 mi (10,168.59 km) |
| Sfantu-Gheorghe to Orland Park (Illinois) | 5,145.58 mi (8,281.01 km) |
| Sfantu-Gheorghe to Orlando (Florida) | 5,574.39 mi (8,971.11 km) |
| Sfantu-Gheorghe to Ormond Beach (Florida) | 5,522.92 mi (8,888.29 km) |
| Sfantu-Gheorghe to Oro Valley (Arizona) | 6,390.59 mi (10,284.66 km) |
| Sfantu-Gheorghe to Oroville (California) | 6,202.28 mi (9,981.61 km) |
| Sfantu-Gheorghe to Oshkosh (Wisconsin) | 5,044.12 mi (8,117.73 km) |
| Sfantu-Gheorghe to Oskaloosa (Iowa) | 5,321.94 mi (8,564.83 km) |
