| Castro Daire to Belvedere Marittimo | 1,254.17 mi (2,018.40 km) |
| Castro Daire to Benevento | 1,181.01 mi (1,900.64 km) |
| Castro Daire to Bergamo | 942.74 mi (1,517.20 km) |
| Castro Daire to Bernalda | 1,286.44 mi (2,070.33 km) |
| Castro Daire to Bertinoro | 1,043.37 mi (1,679.14 km) |
| Castro Daire to Besana in Brianza | 924.77 mi (1,488.27 km) |
| Castro Daire to Besozzo | 898.95 mi (1,446.73 km) |
| Castro Daire to Biancavilla | 1,236.31 mi (1,989.64 km) |
| Castro Daire to Biassono | 922.82 mi (1,485.14 km) |
| Castro Daire to Bibbiano | 966.30 mi (1,555.11 km) |
| Castro Daire to Bibbiena | 1,025.09 mi (1,649.72 km) |
| Castro Daire to Biella | 865.67 mi (1,393.16 km) |
| Castro Daire to Bisceglie | 1,268.99 mi (2,042.24 km) |
| Castro Daire to Bisignano | 1,277.31 mi (2,055.63 km) |
| Castro Daire to Bitetto | 1,283.48 mi (2,065.56 km) |
