| Gravelines to Benevento | 909.41 mi (1,463.55 km) |
| Gravelines to Bergamo | 503.14 mi (809.73 km) |
| Gravelines to Bernalda | 1,009.70 mi (1,624.96 km) |
| Gravelines to Bertinoro | 662.72 mi (1,066.55 km) |
| Gravelines to Besana in Brianza | 490.88 mi (789.99 km) |
| Gravelines to Besozzo | 464.24 mi (747.13 km) |
| Gravelines to Biancavilla | 1,112.63 mi (1,790.60 km) |
| Gravelines to Biassono | 493.94 mi (794.93 km) |
| Gravelines to Bibbiano | 582.63 mi (937.65 km) |
| Gravelines to Bibbiena | 676.54 mi (1,088.79 km) |
| Gravelines to Biella | 463.15 mi (745.37 km) |
| Gravelines to Bisceglie | 959.83 mi (1,544.70 km) |
| Gravelines to Bisignano | 1,046.18 mi (1,683.66 km) |
| Gravelines to Bitetto | 979.13 mi (1,575.75 km) |
| Gravelines to Bitonto | 972.49 mi (1,565.07 km) |
