| Castricum to Belvedere Marittimo | 1,039.69 mi (1,673.22 km) |
| Castricum to Benevento | 920.42 mi (1,481.27 km) |
| Castricum to Bergamo | 524.58 mi (844.24 km) |
| Castricum to Bernalda | 1,011.78 mi (1,628.30 km) |
| Castricum to Bertinoro | 673.27 mi (1,083.52 km) |
| Castricum to Besana in Brianza | 517.01 mi (832.05 km) |
| Castricum to Besozzo | 496.71 mi (799.37 km) |
| Castricum to Biancavilla | 1,140.77 mi (1,835.90 km) |
| Castricum to Biassono | 520.99 mi (838.45 km) |
| Castricum to Bibbiano | 605.24 mi (974.04 km) |
| Castricum to Bibbiena | 693.93 mi (1,116.78 km) |
| Castricum to Biella | 506.31 mi (814.83 km) |
| Castricum to Bisceglie | 957.93 mi (1,541.65 km) |
| Castricum to Bisignano | 1,056.03 mi (1,699.51 km) |
| Castricum to Bitetto | 976.94 mi (1,572.23 km) |
