| Grosseto to Belvedere Marittimo | 329.74 mi (530.66 km) |
| Grosseto to Benevento | 220.33 mi (354.59 km) |
| Grosseto to Bergamo | 214.34 mi (344.95 km) |
| Grosseto to Bernalda | 330.96 mi (532.63 km) |
| Grosseto to Bertinoro | 108.72 mi (174.97 km) |
| Grosseto to Besana in Brianza | 221.71 mi (356.81 km) |
| Grosseto to Besozzo | 244.63 mi (393.69 km) |
| Grosseto to Biancavilla | 405.46 mi (652.53 km) |
| Grosseto to Biassono | 217.87 mi (350.63 km) |
| Grosseto to Bibbiano | 135.03 mi (217.31 km) |
| Grosseto to Bibbiena | 73.89 mi (118.92 km) |
| Grosseto to Biella | 244.97 mi (394.23 km) |
| Grosseto to Bisceglie | 296.75 mi (477.57 km) |
| Grosseto to Bisignano | 350.83 mi (564.60 km) |
| Grosseto to Bitetto | 314.19 mi (505.65 km) |
