| Sylvania to Octeville | 3,799.79 mi (6,115.17 km) |
| Sylvania to Oignies | 3,957.78 mi (6,369.43 km) |
| Sylvania to Oissel | 3,918.51 mi (6,306.24 km) |
| Sylvania to Olivet | 3,998.91 mi (6,435.63 km) |
| Sylvania to Ollioules | 4,329.80 mi (6,968.13 km) |
| Sylvania to Olonne-sur-Mer | 3,889.41 mi (6,259.40 km) |
| Sylvania to Oloron-Sainte-Marie | 4,049.92 mi (6,517.72 km) |
| Sylvania to Onet Village | 4,147.17 mi (6,674.22 km) |
| Sylvania to Onnaing | 3,983.93 mi (6,411.52 km) |
| Sylvania to Orange | 4,249.05 mi (6,838.19 km) |
| Sylvania to Orchies | 3,967.36 mi (6,384.84 km) |
| Sylvania to Orleans | 3,997.98 mi (6,434.13 km) |
| Sylvania to Orly | 3,989.91 mi (6,421.14 km) |
| Sylvania to Ormesson-sur-Marne | 3,994.37 mi (6,428.32 km) |
| Sylvania to Orsay | 3,983.16 mi (6,410.28 km) |
