| Donostia to Beocin | 1,078.95 mi (1,736.41 km) |
| Donostia to Blace | 1,165.94 mi (1,876.39 km) |
| Donostia to Bogatic | 1,067.36 mi (1,717.75 km) |
| Donostia to Bojnik | 1,190.40 mi (1,915.77 km) |
| Donostia to Boljevac | 1,194.32 mi (1,922.07 km) |
| Donostia to Bor | 1,199.53 mi (1,930.46 km) |
| Donostia to Borca | 1,114.58 mi (1,793.75 km) |
| Donostia to Bosilegrad | 1,234.31 mi (1,986.44 km) |
| Donostia to Brus | 1,152.55 mi (1,854.85 km) |
| Donostia to Bujanovac | 1,199.43 mi (1,930.30 km) |
| Donostia to Cacak | 1,114.47 mi (1,793.56 km) |
| Donostia to Cajetina | 1,084.07 mi (1,744.65 km) |
| Donostia to Cicevac | 1,170.32 mi (1,883.45 km) |
| Donostia to Coka | 1,099.41 mi (1,769.33 km) |
| Donostia to Crna Trava | 1,221.74 mi (1,966.20 km) |
