| Opovo to Bitonto | 331.09 mi (532.84 km) |
| Opovo to Bitritto | 330.73 mi (532.26 km) |
| Opovo to Bollate | 550.45 mi (885.86 km) |
| Opovo to Bologna | 447.16 mi (719.64 km) |
| Opovo to Bolzano | 448.35 mi (721.55 km) |
| Opovo to Bomporto | 460.23 mi (740.67 km) |
| Opovo to Bonate di Sopra | 528.73 mi (850.91 km) |
| Opovo to Bondeno | 440.55 mi (708.99 km) |
| Opovo to Bordighera | 635.28 mi (1,022.38 km) |
| Opovo to Borgaro Torinese | 622.68 mi (1,002.11 km) |
| Opovo to Borgo a Buggiano | 484.60 mi (779.89 km) |
| Opovo to Borgo San Dalmazzo | 637.18 mi (1,025.44 km) |
| Opovo to Borgo San Lorenzo | 452.04 mi (727.49 km) |
| Opovo to Borgomanero | 581.83 mi (936.36 km) |
| Opovo to Borgoricco | 412.50 mi (663.86 km) |
