| Caselle Torinese to Octeville | 531.59 mi (855.50 km) |
| Caselle Torinese to Oignies | 424.38 mi (682.98 km) |
| Caselle Torinese to Oissel | 420.75 mi (677.13 km) |
| Caselle Torinese to Olivet | 330.12 mi (531.28 km) |
| Caselle Torinese to Ollioules | 166.68 mi (268.25 km) |
| Caselle Torinese to Olonne-sur-Mer | 462.57 mi (744.44 km) |
| Caselle Torinese to Oloron-Sainte-Marie | 431.02 mi (693.66 km) |
| Caselle Torinese to Onet Village | 254.07 mi (408.88 km) |
| Caselle Torinese to Onnaing | 405.96 mi (653.33 km) |
| Caselle Torinese to Orange | 156.81 mi (252.36 km) |
| Caselle Torinese to Orchies | 418.94 mi (674.21 km) |
| Caselle Torinese to Orleans | 331.22 mi (533.05 km) |
| Caselle Torinese to Orly | 349.26 mi (562.08 km) |
| Caselle Torinese to Ormesson-sur-Marne | 346.45 mi (557.55 km) |
| Caselle Torinese to Orsay | 354.08 mi (569.84 km) |
