| Pianezza to Octeville | 530.80 mi (854.24 km) |
| Pianezza to Oignies | 426.35 mi (686.14 km) |
| Pianezza to Oissel | 420.81 mi (677.23 km) |
| Pianezza to Olivet | 329.07 mi (529.59 km) |
| Pianezza to Ollioules | 159.80 mi (257.18 km) |
| Pianezza to Olonne-sur-Mer | 459.05 mi (738.77 km) |
| Pianezza to Oloron-Sainte-Marie | 424.86 mi (683.75 km) |
| Pianezza to Onet Village | 248.22 mi (399.48 km) |
| Pianezza to Onnaing | 408.25 mi (657.02 km) |
| Pianezza to Orange | 150.13 mi (241.61 km) |
| Pianezza to Orchies | 421.06 mi (677.63 km) |
| Pianezza to Orleans | 330.22 mi (531.44 km) |
| Pianezza to Orly | 349.50 mi (562.46 km) |
| Pianezza to Ormesson-sur-Marne | 346.82 mi (558.15 km) |
| Pianezza to Orsay | 354.14 mi (569.94 km) |
