| Hwlffordd to Bougival | 373.16 mi (600.55 km) |
| Hwlffordd to Bouguenais | 352.89 mi (567.91 km) |
| Hwlffordd to Boulogne-Billancourt | 378.11 mi (608.52 km) |
| Hwlffordd to Boulogne-sur-Mer | 294.08 mi (473.27 km) |
| Hwlffordd to Bourg-de-Peage | 654.17 mi (1,052.78 km) |
| Hwlffordd to Bourg-en-Bresse | 601.62 mi (968.22 km) |
| Hwlffordd to Bourg-la-Reine | 383.10 mi (616.53 km) |
| Hwlffordd to Bourg-les-Valence | 654.00 mi (1,052.52 km) |
| Hwlffordd to Bourges | 463.98 mi (746.70 km) |
| Hwlffordd to Bourgoin-Jallieu | 633.42 mi (1,019.40 km) |
| Hwlffordd to Bressuire | 397.54 mi (639.78 km) |
| Hwlffordd to Brest | 236.57 mi (380.72 km) |
| Hwlffordd to Bretigny-sur-Orge | 389.66 mi (627.11 km) |
| Hwlffordd to Breuillet | 386.70 mi (622.33 km) |
| Hwlffordd to Briancon | 713.69 mi (1,148.57 km) |
