| Giurgiu to Orangevale (California) | 6,373.98 mi (10,257.93 km) |
| Giurgiu to Orchards (Washington) | 5,953.00 mi (9,580.42 km) |
| Giurgiu to Orcutt (California) | 6,598.84 mi (10,619.81 km) |
| Giurgiu to Oregon (Ohio) | 5,086.82 mi (8,186.44 km) |
| Giurgiu to Oregon (Wisconsin) | 5,233.46 mi (8,422.44 km) |
| Giurgiu to Oregon City (Oregon) | 5,976.34 mi (9,617.99 km) |
| Giurgiu to Orem (Utah) | 6,051.36 mi (9,738.72 km) |
| Giurgiu to Orinda (California) | 6,445.48 mi (10,373.00 km) |
| Giurgiu to Orland Park (Illinois) | 5,247.83 mi (8,445.56 km) |
| Giurgiu to Orlando (Florida) | 5,653.69 mi (9,098.73 km) |
| Giurgiu to Ormond Beach (Florida) | 5,603.03 mi (9,017.20 km) |
| Giurgiu to Oro Valley (Arizona) | 6,506.51 mi (10,471.22 km) |
| Giurgiu to Oroville (California) | 6,329.44 mi (10,186.25 km) |
| Giurgiu to Oshkosh (Wisconsin) | 5,149.55 mi (8,287.39 km) |
| Giurgiu to Oskaloosa (Iowa) | 5,428.10 mi (8,735.69 km) |
