| Donostia to Buharkent | 1,642.77 mi (2,643.79 km) |
| Donostia to Bulancak | 2,047.32 mi (3,294.85 km) |
| Donostia to Bulanik | 2,291.34 mi (3,687.55 km) |
| Donostia to Buldan | 1,644.99 mi (2,647.36 km) |
| Donostia to Bunyan | 1,977.42 mi (3,182.36 km) |
| Donostia to Burdur | 1,726.72 mi (2,778.89 km) |
| Donostia to Burhaniye | 1,514.33 mi (2,437.08 km) |
| Donostia to Bursa | 1,604.71 mi (2,582.52 km) |
| Donostia to Buyukcekmece | 1,564.07 mi (2,517.13 km) |
| Donostia to Buyukorhan | 1,607.50 mi (2,587.02 km) |
| Donostia to Buyukyoncali | 1,525.07 mi (2,454.36 km) |
| Donostia to Caglayancerit | 2,078.12 mi (3,344.41 km) |
| Donostia to Cal | 1,672.52 mi (2,691.66 km) |
| Donostia to Caldiran | 2,371.99 mi (3,817.36 km) |
| Donostia to Camardi | 1,959.98 mi (3,154.28 km) |
