| Orbassano to Oerlinghausen | 483.61 mi (778.29 km) |
| Orbassano to Oestrich-Winkel | 345.64 mi (556.25 km) |
| Orbassano to Offenburg | 239.76 mi (385.85 km) |
| Orbassano to Oftersheim | 305.45 mi (491.58 km) |
| Orbassano to Ohrdruf | 428.44 mi (689.50 km) |
| Orbassano to Ohringen | 304.02 mi (489.27 km) |
| Orbassano to Olbernhau | 474.20 mi (763.15 km) |
| Orbassano to Olching | 284.28 mi (457.50 km) |
| Orbassano to Oldenburg | 563.01 mi (906.08 km) |
| Orbassano to Oldenburg in Holstein | 659.09 mi (1,060.70 km) |
| Orbassano to Olfen | 463.63 mi (746.14 km) |
| Orbassano to Olpe | 415.43 mi (668.58 km) |
| Orbassano to Olsberg | 440.39 mi (708.74 km) |
| Orbassano to Oranienburg | 594.19 mi (956.25 km) |
| Orbassano to Ortenberg | 376.21 mi (605.46 km) |
