| Alpignano to Oerlinghausen | 477.33 mi (768.20 km) |
| Alpignano to Oestrich-Winkel | 339.30 mi (546.06 km) |
| Alpignano to Offenburg | 233.45 mi (375.70 km) |
| Alpignano to Oftersheim | 299.28 mi (481.65 km) |
| Alpignano to Ohrdruf | 422.71 mi (680.29 km) |
| Alpignano to Ohringen | 298.19 mi (479.89 km) |
| Alpignano to Olbernhau | 469.33 mi (755.32 km) |
| Alpignano to Olching | 279.86 mi (450.39 km) |
| Alpignano to Oldenburg | 556.67 mi (895.87 km) |
| Alpignano to Oldenburg in Holstein | 653.02 mi (1,050.94 km) |
| Alpignano to Olfen | 457.21 mi (735.81 km) |
| Alpignano to Olpe | 409.06 mi (658.33 km) |
| Alpignano to Olsberg | 434.11 mi (698.63 km) |
| Alpignano to Oranienburg | 588.73 mi (947.47 km) |
| Alpignano to Ortenberg | 370.09 mi (595.60 km) |
