| Donostia to Bougival | 430.82 mi (693.34 km) |
| Donostia to Bouguenais | 267.10 mi (429.85 km) |
| Donostia to Boulogne-Billancourt | 431.27 mi (694.06 km) |
| Donostia to Boulogne-sur-Mer | 538.85 mi (867.19 km) |
| Donostia to Bourg-de-Peage | 367.86 mi (592.02 km) |
| Donostia to Bourg-en-Bresse | 405.75 mi (653.00 km) |
| Donostia to Bourg-la-Reine | 429.62 mi (691.40 km) |
| Donostia to Bourg-les-Valence | 358.87 mi (577.55 km) |
| Donostia to Bourges | 336.10 mi (540.91 km) |
| Donostia to Bourgoin-Jallieu | 390.32 mi (628.16 km) |
| Donostia to Bressuire | 253.85 mi (408.53 km) |
| Donostia to Brest | 370.49 mi (596.24 km) |
| Donostia to Bretigny-sur-Orge | 419.40 mi (674.96 km) |
| Donostia to Breuillet | 413.57 mi (665.58 km) |
| Donostia to Briancon | 440.81 mi (709.42 km) |
