| Astorga to Bougival | 593.29 mi (954.80 km) |
| Astorga to Bouguenais | 391.88 mi (630.67 km) |
| Astorga to Boulogne-Billancourt | 595.10 mi (957.72 km) |
| Astorga to Boulogne-sur-Mer | 676.82 mi (1,089.24 km) |
| Astorga to Bourg-de-Peage | 582.04 mi (936.70 km) |
| Astorga to Bourg-en-Bresse | 614.45 mi (988.87 km) |
| Astorga to Bourg-la-Reine | 594.83 mi (957.29 km) |
| Astorga to Bourg-les-Valence | 573.21 mi (922.50 km) |
| Astorga to Bourges | 523.26 mi (842.10 km) |
| Astorga to Bourgoin-Jallieu | 602.61 mi (969.80 km) |
| Astorga to Bressuire | 408.10 mi (656.77 km) |
| Astorga to Brest | 416.82 mi (670.80 km) |
| Astorga to Bretigny-sur-Orge | 586.49 mi (943.87 km) |
| Astorga to Breuillet | 579.88 mi (933.23 km) |
| Astorga to Briancon | 655.73 mi (1,055.30 km) |
