| Haar to Octeville | 616.23 mi (991.72 km) |
| Haar to Oignies | 426.22 mi (685.94 km) |
| Haar to Oissel | 492.18 mi (792.09 km) |
| Haar to Olivet | 454.73 mi (731.82 km) |
| Haar to Ollioules | 445.14 mi (716.38 km) |
| Haar to Olonne-sur-Mer | 640.92 mi (1,031.46 km) |
| Haar to Oloron-Sainte-Marie | 684.51 mi (1,101.61 km) |
| Haar to Onet Village | 506.84 mi (815.68 km) |
| Haar to Onnaing | 399.28 mi (642.57 km) |
| Haar to Orange | 429.68 mi (691.50 km) |
| Haar to Orchies | 415.97 mi (669.43 km) |
| Haar to Orleans | 454.09 mi (730.78 km) |
| Haar to Orly | 430.32 mi (692.53 km) |
| Haar to Ormesson-sur-Marne | 423.84 mi (682.10 km) |
| Haar to Orsay | 439.56 mi (707.40 km) |
