| Ilion to Octeville | 1,484.67 mi (2,389.34 km) |
| Ilion to Oignies | 1,329.27 mi (2,139.26 km) |
| Ilion to Oissel | 1,364.92 mi (2,196.63 km) |
| Ilion to Olivet | 1,288.11 mi (2,073.01 km) |
| Ilion to Ollioules | 998.57 mi (1,607.04 km) |
| Ilion to Olonne-sur-Mer | 1,420.19 mi (2,285.57 km) |
| Ilion to Oloron-Sainte-Marie | 1,318.54 mi (2,121.98 km) |
| Ilion to Onet Village | 1,177.04 mi (1,894.26 km) |
| Ilion to Onnaing | 1,303.85 mi (2,098.34 km) |
| Ilion to Orange | 1,067.19 mi (1,717.48 km) |
| Ilion to Orchies | 1,320.18 mi (2,124.63 km) |
| Ilion to Orleans | 1,288.83 mi (2,074.17 km) |
| Ilion to Orly | 1,293.71 mi (2,082.03 km) |
| Ilion to Ormesson-sur-Marne | 1,289.13 mi (2,074.66 km) |
| Ilion to Orsay | 1,300.65 mi (2,093.19 km) |
