| Monmouth to Bougival | 295.39 mi (475.39 km) |
| Monmouth to Bouguenais | 323.84 mi (521.17 km) |
| Monmouth to Boulogne-Billancourt | 300.11 mi (482.97 km) |
| Monmouth to Boulogne-sur-Mer | 201.75 mi (324.69 km) |
| Monmouth to Bourg-de-Peage | 587.41 mi (945.34 km) |
| Monmouth to Bourg-en-Bresse | 528.30 mi (850.21 km) |
| Monmouth to Bourg-la-Reine | 305.21 mi (491.19 km) |
| Monmouth to Bourg-les-Valence | 588.35 mi (946.86 km) |
| Monmouth to Bourges | 399.07 mi (642.24 km) |
| Monmouth to Bourgoin-Jallieu | 563.07 mi (906.18 km) |
| Monmouth to Bressuire | 357.75 mi (575.74 km) |
| Monmouth to Brest | 248.96 mi (400.66 km) |
| Monmouth to Bretigny-sur-Orge | 313.28 mi (504.17 km) |
| Monmouth to Breuillet | 311.41 mi (501.16 km) |
| Monmouth to Briancon | 641.42 mi (1,032.27 km) |
