| Derry to Barberino di Mugello | 1,121.37 mi (1,804.66 km) |
| Derry to Barcellona-Pozzo di Gotto | 1,567.88 mi (2,523.25 km) |
| Derry to Bareggio | 972.26 mi (1,564.71 km) |
| Derry to Barga | 1,093.07 mi (1,759.13 km) |
| Derry to Bari | 1,458.96 mi (2,347.97 km) |
| Derry to Barletta | 1,429.17 mi (2,300.02 km) |
| Derry to Baronissi | 1,409.50 mi (2,268.37 km) |
| Derry to Barrafranca | 1,581.98 mi (2,545.95 km) |
| Derry to Bassano del Grappa | 1,049.11 mi (1,688.37 km) |
| Derry to Battipaglia | 1,423.43 mi (2,290.79 km) |
| Derry to Beinasco | 952.37 mi (1,532.68 km) |
| Derry to Bellinzago Novarese | 955.01 mi (1,536.94 km) |
| Derry to Belluno | 1,048.13 mi (1,686.80 km) |
| Derry to Belmonte Mezzagno | 1,518.11 mi (2,443.16 km) |
| Derry to Belpasso | 1,593.05 mi (2,563.77 km) |
