| Gassino Torinese to Octeville | 540.55 mi (869.94 km) |
| Gassino Torinese to Oignies | 431.66 mi (694.69 km) |
| Gassino Torinese to Oissel | 429.34 mi (690.95 km) |
| Gassino Torinese to Olivet | 339.20 mi (545.89 km) |
| Gassino Torinese to Ollioules | 168.75 mi (271.58 km) |
| Gassino Torinese to Olonne-sur-Mer | 471.87 mi (759.41 km) |
| Gassino Torinese to Oloron-Sainte-Marie | 438.50 mi (705.69 km) |
| Gassino Torinese to Onet Village | 261.99 mi (421.64 km) |
| Gassino Torinese to Onnaing | 412.95 mi (664.58 km) |
| Gassino Torinese to Orange | 163.22 mi (262.68 km) |
| Gassino Torinese to Orchies | 426.08 mi (685.71 km) |
| Gassino Torinese to Orleans | 340.28 mi (547.62 km) |
| Gassino Torinese to Orly | 357.77 mi (575.78 km) |
| Gassino Torinese to Ormesson-sur-Marne | 354.88 mi (571.13 km) |
| Gassino Torinese to Orsay | 362.68 mi (583.68 km) |
