| Sfantu-Gheorghe to Oerlinghausen | 881.35 mi (1,418.39 km) |
| Sfantu-Gheorghe to Oestrich-Winkel | 869.11 mi (1,398.70 km) |
| Sfantu-Gheorghe to Offenburg | 855.67 mi (1,377.07 km) |
| Sfantu-Gheorghe to Oftersheim | 834.92 mi (1,343.68 km) |
| Sfantu-Gheorghe to Ohrdruf | 769.83 mi (1,238.92 km) |
| Sfantu-Gheorghe to Ohringen | 792.21 mi (1,274.94 km) |
| Sfantu-Gheorghe to Olbernhau | 660.77 mi (1,063.41 km) |
| Sfantu-Gheorghe to Olching | 699.19 mi (1,125.23 km) |
| Sfantu-Gheorghe to Oldenburg | 931.49 mi (1,499.09 km) |
| Sfantu-Gheorghe to Oldenburg in Holstein | 877.96 mi (1,412.94 km) |
| Sfantu-Gheorghe to Olfen | 926.81 mi (1,491.55 km) |
| Sfantu-Gheorghe to Olpe | 893.71 mi (1,438.29 km) |
| Sfantu-Gheorghe to Olsberg | 873.89 mi (1,406.39 km) |
| Sfantu-Gheorghe to Oranienburg | 737.32 mi (1,186.60 km) |
| Sfantu-Gheorghe to Ortenberg | 829.70 mi (1,335.28 km) |
