| Derry to Belvedere Marittimo | 1,506.63 mi (2,424.68 km) |
| Derry to Benevento | 1,389.02 mi (2,235.41 km) |
| Derry to Bergamo | 982.96 mi (1,581.91 km) |
| Derry to Bernalda | 1,490.23 mi (2,398.29 km) |
| Derry to Bertinoro | 1,143.10 mi (1,839.65 km) |
| Derry to Besana in Brianza | 970.02 mi (1,561.09 km) |
| Derry to Besozzo | 942.34 mi (1,516.54 km) |
| Derry to Biancavilla | 1,585.67 mi (2,551.89 km) |
| Derry to Biassono | 972.87 mi (1,565.69 km) |
| Derry to Bibbiano | 1,061.63 mi (1,708.53 km) |
| Derry to Bibbiena | 1,155.94 mi (1,860.30 km) |
| Derry to Biella | 937.92 mi (1,509.44 km) |
| Derry to Bisceglie | 1,440.53 mi (2,318.32 km) |
| Derry to Bisignano | 1,525.64 mi (2,455.28 km) |
| Derry to Bitetto | 1,459.83 mi (2,349.36 km) |
