| Horjul to Octeville | 778.51 mi (1,252.89 km) |
| Horjul to Oignies | 603.14 mi (970.66 km) |
| Horjul to Oissel | 654.66 mi (1,053.57 km) |
| Horjul to Olivet | 597.77 mi (962.02 km) |
| Horjul to Ollioules | 460.84 mi (741.65 km) |
| Horjul to Olonne-sur-Mer | 766.93 mi (1,234.25 km) |
| Horjul to Oloron-Sainte-Marie | 757.49 mi (1,219.06 km) |
| Horjul to Onet Village | 580.72 mi (934.58 km) |
| Horjul to Onnaing | 576.86 mi (928.37 km) |
| Horjul to Orange | 480.55 mi (773.36 km) |
| Horjul to Orchies | 593.46 mi (955.08 km) |
| Horjul to Orleans | 597.75 mi (961.99 km) |
| Horjul to Orly | 587.09 mi (944.83 km) |
| Horjul to Ormesson-sur-Marne | 581.40 mi (935.67 km) |
| Horjul to Orsay | 595.42 mi (958.23 km) |
