| Kadan to Oignies | 452.12 mi (727.62 km) |
| Kadan to Oissel | 546.58 mi (879.64 km) |
| Kadan to Olivet | 542.04 mi (872.33 km) |
| Kadan to Ollioules | 610.49 mi (982.49 km) |
| Kadan to Olonne-sur-Mer | 737.04 mi (1,186.14 km) |
| Kadan to Oloron-Sainte-Marie | 820.81 mi (1,320.97 km) |
| Kadan to Onet Village | 648.60 mi (1,043.82 km) |
| Kadan to Onnaing | 425.89 mi (685.41 km) |
| Kadan to Orange | 585.11 mi (941.64 km) |
| Kadan to Orchies | 441.10 mi (709.88 km) |
| Kadan to Orleans | 540.65 mi (870.09 km) |
| Kadan to Orly | 499.93 mi (804.56 km) |
| Kadan to Ormesson-sur-Marne | 492.74 mi (792.99 km) |
| Kadan to Orsay | 509.80 mi (820.45 km) |
| Kadan to Orthez | 813.59 mi (1,309.34 km) |
