| Donostia to Bitonto | 964.96 mi (1,552.95 km) |
| Donostia to Bitritto | 973.71 mi (1,567.04 km) |
| Donostia to Bollate | 568.20 mi (914.43 km) |
| Donostia to Bologna | 667.38 mi (1,074.05 km) |
| Donostia to Bolzano | 687.47 mi (1,106.37 km) |
| Donostia to Bomporto | 653.10 mi (1,051.06 km) |
| Donostia to Bonate di Sopra | 591.37 mi (951.72 km) |
| Donostia to Bondeno | 672.61 mi (1,082.46 km) |
| Donostia to Bordighera | 483.85 mi (778.68 km) |
| Donostia to Borgaro Torinese | 492.87 mi (793.20 km) |
| Donostia to Borgo a Buggiano | 636.66 mi (1,024.60 km) |
| Donostia to Borgo San Dalmazzo | 476.60 mi (767.02 km) |
| Donostia to Borgo San Lorenzo | 668.93 mi (1,076.54 km) |
| Donostia to Borgomanero | 539.89 mi (868.87 km) |
| Donostia to Borgoricco | 703.83 mi (1,132.70 km) |
