| Marlow to Bougival | 227.09 mi (365.47 km) |
| Marlow to Bouguenais | 305.84 mi (492.20 km) |
| Marlow to Boulogne-Billancourt | 231.37 mi (372.36 km) |
| Marlow to Boulogne-sur-Mer | 119.03 mi (191.56 km) |
| Marlow to Bourg-de-Peage | 524.49 mi (844.08 km) |
| Marlow to Bourg-en-Bresse | 459.99 mi (740.29 km) |
| Marlow to Bourg-la-Reine | 236.45 mi (380.52 km) |
| Marlow to Bourg-les-Valence | 526.43 mi (847.21 km) |
| Marlow to Bourges | 341.26 mi (549.20 km) |
| Marlow to Bourgoin-Jallieu | 497.13 mi (800.05 km) |
| Marlow to Bressuire | 327.08 mi (526.38 km) |
| Marlow to Brest | 274.60 mi (441.93 km) |
| Marlow to Bretigny-sur-Orge | 245.92 mi (395.76 km) |
| Marlow to Breuillet | 245.33 mi (394.82 km) |
| Marlow to Briancon | 573.06 mi (922.25 km) |
