| Rovinari to Oberkirch | 755.24 mi (1,215.44 km) |
| Rovinari to Obernburg am Main | 737.49 mi (1,186.88 km) |
| Rovinari to Obernkirchen | 816.23 mi (1,313.60 km) |
| Rovinari to Oberschleissheim | 596.23 mi (959.54 km) |
| Rovinari to Oberstdorf | 639.37 mi (1,028.96 km) |
| Rovinari to Obertraubling | 588.68 mi (947.39 km) |
| Rovinari to Obertshausen | 756.12 mi (1,216.86 km) |
| Rovinari to Oberursel | 770.24 mi (1,239.57 km) |
| Rovinari to Ochsenfurt | 694.31 mi (1,117.39 km) |
| Rovinari to Ochsenhausen | 664.37 mi (1,069.21 km) |
| Rovinari to Ochtrup | 884.27 mi (1,423.10 km) |
| Rovinari to Odenthal | 851.63 mi (1,370.57 km) |
| Rovinari to Oelde | 836.13 mi (1,345.62 km) |
| Rovinari to Oelsnitz | 636.43 mi (1,024.23 km) |
| Rovinari to Oer-Erkenschwick | 864.10 mi (1,390.64 km) |
