| Sfantu-Gheorghe to Octeville | 1,293.06 mi (2,080.97 km) |
| Sfantu-Gheorghe to Oignies | 1,092.57 mi (1,758.32 km) |
| Sfantu-Gheorghe to Oissel | 1,169.77 mi (1,882.57 km) |
| Sfantu-Gheorghe to Olivet | 1,132.28 mi (1,822.24 km) |
| Sfantu-Gheorghe to Ollioules | 997.77 mi (1,605.75 km) |
| Sfantu-Gheorghe to Olonne-sur-Mer | 1,312.11 mi (2,111.64 km) |
| Sfantu-Gheorghe to Oloron-Sainte-Marie | 1,306.99 mi (2,103.40 km) |
| Sfantu-Gheorghe to Onet Village | 1,131.61 mi (1,821.15 km) |
| Sfantu-Gheorghe to Onnaing | 1,065.43 mi (1,714.64 km) |
| Sfantu-Gheorghe to Orange | 1,028.78 mi (1,655.66 km) |
| Sfantu-Gheorghe to Orchies | 1,081.72 mi (1,740.86 km) |
| Sfantu-Gheorghe to Orleans | 1,131.81 mi (1,821.47 km) |
| Sfantu-Gheorghe to Orly | 1,109.44 mi (1,785.48 km) |
| Sfantu-Gheorghe to Ormesson-sur-Marne | 1,102.90 mi (1,774.95 km) |
| Sfantu-Gheorghe to Orsay | 1,118.72 mi (1,800.41 km) |
