| Sfantu-Gheorghe to Oberkirch | 849.29 mi (1,366.81 km) |
| Sfantu-Gheorghe to Obernburg am Main | 817.15 mi (1,315.08 km) |
| Sfantu-Gheorghe to Obernkirchen | 871.74 mi (1,402.94 km) |
| Sfantu-Gheorghe to Oberschleissheim | 688.30 mi (1,107.70 km) |
| Sfantu-Gheorghe to Oberstdorf | 742.17 mi (1,194.41 km) |
| Sfantu-Gheorghe to Obertraubling | 670.82 mi (1,079.58 km) |
| Sfantu-Gheorghe to Obertshausen | 834.14 mi (1,342.42 km) |
| Sfantu-Gheorghe to Oberursel | 847.44 mi (1,363.82 km) |
| Sfantu-Gheorghe to Ochsenfurt | 773.91 mi (1,245.49 km) |
| Sfantu-Gheorghe to Ochsenhausen | 760.81 mi (1,224.40 km) |
| Sfantu-Gheorghe to Ochtrup | 945.78 mi (1,522.09 km) |
| Sfantu-Gheorghe to Odenthal | 923.97 mi (1,486.99 km) |
| Sfantu-Gheorghe to Oelde | 898.59 mi (1,446.14 km) |
| Sfantu-Gheorghe to Oelsnitz | 700.96 mi (1,128.09 km) |
| Sfantu-Gheorghe to Oer-Erkenschwick | 930.57 mi (1,497.61 km) |
