| Rocca Priora to Octeville | 879.03 mi (1,414.66 km) |
| Rocca Priora to Oignies | 759.69 mi (1,222.60 km) |
| Rocca Priora to Oissel | 767.63 mi (1,235.38 km) |
| Rocca Priora to Olivet | 677.20 mi (1,089.84 km) |
| Rocca Priora to Ollioules | 364.83 mi (587.14 km) |
| Rocca Priora to Olonne-sur-Mer | 790.40 mi (1,272.03 km) |
| Rocca Priora to Oloron-Sainte-Marie | 687.55 mi (1,106.51 km) |
| Rocca Priora to Onet Village | 543.11 mi (874.05 km) |
| Rocca Priora to Onnaing | 738.07 mi (1,187.81 km) |
| Rocca Priora to Orange | 433.76 mi (698.07 km) |
| Rocca Priora to Orchies | 752.72 mi (1,211.39 km) |
| Rocca Priora to Orleans | 678.38 mi (1,091.76 km) |
| Rocca Priora to Orly | 695.84 mi (1,119.84 km) |
| Rocca Priora to Ormesson-sur-Marne | 692.64 mi (1,114.69 km) |
| Rocca Priora to Orsay | 701.06 mi (1,128.24 km) |
