| Vercelli to Oerlinghausen | 458.99 mi (738.67 km) |
| Vercelli to Oestrich-Winkel | 323.57 mi (520.73 km) |
| Vercelli to Offenburg | 218.26 mi (351.25 km) |
| Vercelli to Oftersheim | 279.58 mi (449.95 km) |
| Vercelli to Ohrdruf | 394.80 mi (635.37 km) |
| Vercelli to Ohringen | 272.41 mi (438.40 km) |
| Vercelli to Olbernhau | 433.05 mi (696.93 km) |
| Vercelli to Olching | 241.21 mi (388.18 km) |
| Vercelli to Oldenburg | 540.27 mi (869.49 km) |
| Vercelli to Oldenburg in Holstein | 629.60 mi (1,013.24 km) |
| Vercelli to Olfen | 444.13 mi (714.75 km) |
| Vercelli to Olpe | 394.15 mi (634.33 km) |
| Vercelli to Olsberg | 416.25 mi (669.90 km) |
| Vercelli to Oranienburg | 557.36 mi (896.98 km) |
| Vercelli to Ortenberg | 348.78 mi (561.31 km) |
