| Fehmarnsund to Octeville | 636.90 mi (1,024.99 km) |
| Fehmarnsund to Oignies | 439.97 mi (708.06 km) |
| Fehmarnsund to Oissel | 554.99 mi (893.17 km) |
| Fehmarnsund to Olivet | 605.76 mi (974.88 km) |
| Fehmarnsund to Ollioules | 817.30 mi (1,315.31 km) |
| Fehmarnsund to Olonne-sur-Mer | 786.59 mi (1,265.90 km) |
| Fehmarnsund to Oloron-Sainte-Marie | 941.41 mi (1,515.05 km) |
| Fehmarnsund to Onet Village | 794.74 mi (1,279.01 km) |
| Fehmarnsund to Onnaing | 424.35 mi (682.92 km) |
| Fehmarnsund to Orange | 766.90 mi (1,234.21 km) |
| Fehmarnsund to Orchies | 431.54 mi (694.50 km) |
| Fehmarnsund to Orleans | 603.42 mi (971.11 km) |
| Fehmarnsund to Orly | 544.31 mi (875.99 km) |
| Fehmarnsund to Ormesson-sur-Marne | 537.82 mi (865.54 km) |
| Fehmarnsund to Orsay | 552.80 mi (889.64 km) |
