| Grosseto to Bougival | 602.33 mi (969.36 km) |
| Grosseto to Bouguenais | 691.36 mi (1,112.64 km) |
| Grosseto to Boulogne-Billancourt | 597.50 mi (961.59 km) |
| Grosseto to Boulogne-sur-Mer | 708.84 mi (1,140.77 km) |
| Grosseto to Bourg-de-Peage | 339.49 mi (546.35 km) |
| Grosseto to Bourg-en-Bresse | 374.27 mi (602.32 km) |
| Grosseto to Bourg-la-Reine | 592.43 mi (953.42 km) |
| Grosseto to Bourg-les-Valence | 343.76 mi (553.24 km) |
| Grosseto to Bourges | 519.39 mi (835.88 km) |
| Grosseto to Bourgoin-Jallieu | 348.15 mi (560.29 km) |
| Grosseto to Bressuire | 633.15 mi (1,018.96 km) |
| Grosseto to Brest | 846.00 mi (1,361.50 km) |
| Grosseto to Bretigny-sur-Orge | 585.15 mi (941.72 km) |
| Grosseto to Breuillet | 587.85 mi (946.06 km) |
| Grosseto to Briancon | 266.71 mi (429.23 km) |
