| Donostia to Belvedere Marittimo | 956.65 mi (1,539.58 km) |
| Donostia to Benevento | 869.32 mi (1,399.04 km) |
| Donostia to Bergamo | 596.42 mi (959.84 km) |
| Donostia to Bernalda | 978.80 mi (1,575.22 km) |
| Donostia to Bertinoro | 706.03 mi (1,136.25 km) |
| Donostia to Besana in Brianza | 578.25 mi (930.60 km) |
| Donostia to Besozzo | 551.79 mi (888.03 km) |
| Donostia to Biancavilla | 965.82 mi (1,554.34 km) |
| Donostia to Biassono | 576.48 mi (927.76 km) |
| Donostia to Bibbiano | 625.01 mi (1,005.86 km) |
| Donostia to Bibbiena | 691.06 mi (1,112.15 km) |
| Donostia to Biella | 518.92 mi (835.12 km) |
| Donostia to Bisceglie | 953.75 mi (1,534.92 km) |
| Donostia to Bisignano | 979.83 mi (1,576.88 km) |
| Donostia to Bitetto | 969.84 mi (1,560.81 km) |
