| Derry to Bitonto | 1,453.19 mi (2,338.68 km) |
| Derry to Bitritto | 1,461.77 mi (2,352.50 km) |
| Derry to Bollate | 972.27 mi (1,564.72 km) |
| Derry to Bologna | 1,099.26 mi (1,769.09 km) |
| Derry to Bolzano | 1,001.14 mi (1,611.19 km) |
| Derry to Bomporto | 1,076.79 mi (1,732.92 km) |
| Derry to Bonate di Sopra | 980.15 mi (1,577.39 km) |
| Derry to Bondeno | 1,081.92 mi (1,741.18 km) |
| Derry to Bordighera | 1,022.98 mi (1,646.32 km) |
| Derry to Borgaro Torinese | 947.19 mi (1,524.36 km) |
| Derry to Borgo a Buggiano | 1,111.26 mi (1,788.40 km) |
| Derry to Borgo San Dalmazzo | 986.89 mi (1,588.24 km) |
| Derry to Borgo San Lorenzo | 1,128.74 mi (1,816.53 km) |
| Derry to Borgomanero | 943.64 mi (1,518.64 km) |
| Derry to Borgoricco | 1,069.22 mi (1,720.75 km) |
