| Kos to Octeville | 1,684.86 mi (2,711.52 km) |
| Kos to Oignies | 1,522.23 mi (2,449.79 km) |
| Kos to Oissel | 1,563.74 mi (2,516.60 km) |
| Kos to Olivet | 1,490.48 mi (2,398.70 km) |
| Kos to Ollioules | 1,208.37 mi (1,944.68 km) |
| Kos to Olonne-sur-Mer | 1,627.27 mi (2,618.85 km) |
| Kos to Oloron-Sainte-Marie | 1,528.81 mi (2,460.39 km) |
| Kos to Onet Village | 1,386.16 mi (2,230.80 km) |
| Kos to Onnaing | 1,496.26 mi (2,408.01 km) |
| Kos to Orange | 1,276.04 mi (2,053.59 km) |
| Kos to Orchies | 1,512.78 mi (2,434.58 km) |
| Kos to Orleans | 1,491.09 mi (2,399.68 km) |
| Kos to Orly | 1,493.12 mi (2,402.95 km) |
| Kos to Ormesson-sur-Marne | 1,488.27 mi (2,395.14 km) |
| Kos to Orsay | 1,500.40 mi (2,414.65 km) |
