| Cascais to Bougival | 906.51 mi (1,458.88 km) |
| Cascais to Bouguenais | 705.29 mi (1,135.05 km) |
| Cascais to Boulogne-Billancourt | 908.21 mi (1,461.62 km) |
| Cascais to Boulogne-sur-Mer | 989.52 mi (1,592.47 km) |
| Cascais to Bourg-de-Peage | 861.72 mi (1,386.80 km) |
| Cascais to Bourg-en-Bresse | 906.75 mi (1,459.27 km) |
| Cascais to Bourg-la-Reine | 907.80 mi (1,460.96 km) |
| Cascais to Bourg-les-Valence | 852.21 mi (1,371.50 km) |
| Cascais to Bourges | 830.84 mi (1,337.11 km) |
| Cascais to Bourgoin-Jallieu | 888.26 mi (1,429.52 km) |
| Cascais to Bressuire | 721.08 mi (1,160.46 km) |
| Cascais to Brest | 713.14 mi (1,147.69 km) |
| Cascais to Bretigny-sur-Orge | 899.22 mi (1,447.15 km) |
| Cascais to Breuillet | 892.67 mi (1,436.62 km) |
| Cascais to Briancon | 928.77 mi (1,494.71 km) |
