| Gravelines to Barcellona-Pozzo di Gotto | 1,092.71 mi (1,758.55 km) |
| Gravelines to Bareggio | 494.57 mi (795.93 km) |
| Gravelines to Barga | 615.58 mi (990.68 km) |
| Gravelines to Bari | 978.27 mi (1,574.37 km) |
| Gravelines to Barletta | 948.48 mi (1,526.43 km) |
| Gravelines to Baronissi | 930.43 mi (1,497.38 km) |
| Gravelines to Barrafranca | 1,111.89 mi (1,789.41 km) |
| Gravelines to Bassano del Grappa | 568.81 mi (915.42 km) |
| Gravelines to Battipaglia | 944.24 mi (1,519.61 km) |
| Gravelines to Beinasco | 483.17 mi (777.58 km) |
| Gravelines to Bellinzago Novarese | 477.98 mi (769.24 km) |
| Gravelines to Belluno | 569.22 mi (916.08 km) |
| Gravelines to Belmonte Mezzagno | 1,049.19 mi (1,688.51 km) |
| Gravelines to Belpasso | 1,119.81 mi (1,802.16 km) |
| Gravelines to Belvedere Marittimo | 1,027.58 mi (1,653.72 km) |
