| Os to Bitonto | 1,404.10 mi (2,259.69 km) |
| Os to Bitritto | 1,410.71 mi (2,270.32 km) |
| Os to Bollate | 1,024.98 mi (1,649.55 km) |
| Os to Bologna | 1,113.81 mi (1,792.51 km) |
| Os to Bolzano | 978.11 mi (1,574.11 km) |
| Os to Bomporto | 1,094.81 mi (1,761.92 km) |
| Os to Bonate di Sopra | 1,018.71 mi (1,639.45 km) |
| Os to Bondeno | 1,088.05 mi (1,751.05 km) |
| Os to Bordighera | 1,139.80 mi (1,834.33 km) |
| Os to Borgaro Torinese | 1,045.54 mi (1,682.64 km) |
| Os to Borgo a Buggiano | 1,150.23 mi (1,851.11 km) |
| Os to Borgo San Dalmazzo | 1,101.29 mi (1,772.35 km) |
| Os to Borgo San Lorenzo | 1,151.14 mi (1,852.58 km) |
| Os to Borgomanero | 1,011.14 mi (1,627.27 km) |
| Os to Borgoricco | 1,050.59 mi (1,690.75 km) |
