| Grande-Synthe to Benevento | 905.22 mi (1,456.82 km) |
| Grande-Synthe to Bergamo | 498.99 mi (803.05 km) |
| Grande-Synthe to Bernalda | 1,005.19 mi (1,617.69 km) |
| Grande-Synthe to Bertinoro | 658.32 mi (1,059.47 km) |
| Grande-Synthe to Besana in Brianza | 486.92 mi (783.62 km) |
| Grande-Synthe to Besozzo | 460.53 mi (741.15 km) |
| Grande-Synthe to Biancavilla | 1,109.33 mi (1,785.30 km) |
| Grande-Synthe to Biassono | 490.04 mi (788.64 km) |
| Grande-Synthe to Bibbiano | 578.66 mi (931.27 km) |
| Grande-Synthe to Bibbiena | 672.46 mi (1,082.21 km) |
| Grande-Synthe to Biella | 459.98 mi (740.26 km) |
| Grande-Synthe to Bisceglie | 955.13 mi (1,537.13 km) |
| Grande-Synthe to Bisignano | 1,042.01 mi (1,676.96 km) |
| Grande-Synthe to Bitetto | 974.42 mi (1,568.17 km) |
| Grande-Synthe to Bitonto | 967.77 mi (1,557.48 km) |
