| Campagna to Octeville | 1,020.35 mi (1,642.10 km) |
| Campagna to Oignies | 893.04 mi (1,437.21 km) |
| Campagna to Oissel | 907.12 mi (1,459.87 km) |
| Campagna to Olivet | 818.98 mi (1,318.02 km) |
| Campagna to Ollioules | 505.24 mi (813.11 km) |
| Campagna to Olonne-sur-Mer | 934.02 mi (1,503.15 km) |
| Campagna to Oloron-Sainte-Marie | 824.71 mi (1,327.24 km) |
| Campagna to Onet Village | 685.39 mi (1,103.02 km) |
| Campagna to Onnaing | 870.35 mi (1,400.69 km) |
| Campagna to Orange | 576.66 mi (928.05 km) |
| Campagna to Orchies | 885.52 mi (1,425.11 km) |
| Campagna to Orleans | 820.09 mi (1,319.81 km) |
| Campagna to Orly | 835.17 mi (1,344.08 km) |
| Campagna to Ormesson-sur-Marne | 831.67 mi (1,338.44 km) |
| Campagna to Orsay | 840.77 mi (1,353.08 km) |
