| Nettuno to Belvedere Marittimo | 211.09 mi (339.71 km) |
| Nettuno to Benevento | 112.25 mi (180.65 km) |
| Nettuno to Bergamo | 328.34 mi (528.41 km) |
| Nettuno to Bernalda | 221.80 mi (356.96 km) |
| Nettuno to Bertinoro | 187.36 mi (301.52 km) |
| Nettuno to Besana in Brianza | 337.90 mi (543.79 km) |
| Nettuno to Besozzo | 362.80 mi (583.86 km) |
| Nettuno to Biancavilla | 288.55 mi (464.37 km) |
| Nettuno to Biassono | 334.39 mi (538.14 km) |
| Nettuno to Bibbiano | 247.39 mi (398.14 km) |
| Nettuno to Bibbiena | 160.25 mi (257.89 km) |
| Nettuno to Biella | 365.07 mi (587.52 km) |
| Nettuno to Bisceglie | 199.67 mi (321.33 km) |
| Nettuno to Bisignano | 232.92 mi (374.84 km) |
| Nettuno to Bitetto | 214.20 mi (344.72 km) |
