| Castro Daire to Bitonto | 1,279.27 mi (2,058.79 km) |
| Castro Daire to Bitritto | 1,287.63 mi (2,072.24 km) |
| Castro Daire to Bollate | 914.35 mi (1,471.51 km) |
| Castro Daire to Bologna | 1,007.23 mi (1,620.97 km) |
| Castro Daire to Bolzano | 1,034.88 mi (1,665.48 km) |
| Castro Daire to Bomporto | 994.50 mi (1,600.50 km) |
| Castro Daire to Bonate di Sopra | 937.71 mi (1,509.10 km) |
| Castro Daire to Bondeno | 1,014.67 mi (1,632.95 km) |
| Castro Daire to Bordighera | 819.85 mi (1,319.41 km) |
| Castro Daire to Borgaro Torinese | 838.45 mi (1,349.35 km) |
| Castro Daire to Borgo a Buggiano | 972.34 mi (1,564.83 km) |
| Castro Daire to Borgo San Dalmazzo | 817.54 mi (1,315.70 km) |
| Castro Daire to Borgo San Lorenzo | 1,004.98 mi (1,617.37 km) |
| Castro Daire to Borgomanero | 886.80 mi (1,427.16 km) |
| Castro Daire to Borgoricco | 1,048.50 mi (1,687.39 km) |
