| Gagny to Barcellona-Pozzo di Gotto | 973.99 mi (1,567.49 km) |
| Gagny to Bareggio | 383.83 mi (617.71 km) |
| Gagny to Barga | 502.90 mi (809.33 km) |
| Gagny to Bari | 879.41 mi (1,415.27 km) |
| Gagny to Barletta | 848.12 mi (1,364.92 km) |
| Gagny to Baronissi | 820.22 mi (1,320.02 km) |
| Gagny to Barrafranca | 987.17 mi (1,588.70 km) |
| Gagny to Bassano del Grappa | 481.28 mi (774.55 km) |
| Gagny to Battipaglia | 834.36 mi (1,342.77 km) |
| Gagny to Beinasco | 357.76 mi (575.75 km) |
| Gagny to Bellinzago Novarese | 365.71 mi (588.56 km) |
| Gagny to Belluno | 489.59 mi (787.92 km) |
| Gagny to Belmonte Mezzagno | 923.37 mi (1,486.02 km) |
| Gagny to Belpasso | 998.49 mi (1,606.91 km) |
| Gagny to Belvedere Marittimo | 916.94 mi (1,475.67 km) |
