| Guadarrama to Bougival | 642.69 mi (1,034.31 km) |
| Guadarrama to Bouguenais | 465.84 mi (749.69 km) |
| Guadarrama to Boulogne-Billancourt | 643.29 mi (1,035.28 km) |
| Guadarrama to Boulogne-sur-Mer | 746.61 mi (1,201.56 km) |
| Guadarrama to Bourg-de-Peage | 551.94 mi (888.27 km) |
| Guadarrama to Bourg-en-Bresse | 603.16 mi (970.70 km) |
| Guadarrama to Bourg-la-Reine | 641.77 mi (1,032.83 km) |
| Guadarrama to Bourg-les-Valence | 542.28 mi (872.72 km) |
| Guadarrama to Bourges | 547.82 mi (881.63 km) |
| Guadarrama to Bourgoin-Jallieu | 580.86 mi (934.80 km) |
| Guadarrama to Bressuire | 462.31 mi (744.02 km) |
| Guadarrama to Brest | 533.57 mi (858.70 km) |
| Guadarrama to Bretigny-sur-Orge | 631.68 mi (1,016.58 km) |
| Guadarrama to Breuillet | 625.77 mi (1,007.08 km) |
| Guadarrama to Briancon | 616.42 mi (992.03 km) |
