| Castellammare del Golfo to Beyne-Heusay | 939.37 mi (1,511.76 km) |
| Castellammare del Golfo to Bierbeek | 969.81 mi (1,560.76 km) |
| Castellammare del Golfo to Bilzen | 957.49 mi (1,540.93 km) |
| Castellammare del Golfo to Binche | 956.12 mi (1,538.73 km) |
| Castellammare del Golfo to Bissegem | 1,002.22 mi (1,612.92 km) |
| Castellammare del Golfo to Blankenberge | 1,032.96 mi (1,662.38 km) |
| Castellammare del Golfo to Blegny | 940.97 mi (1,514.35 km) |
| Castellammare del Golfo to Bocholt | 975.55 mi (1,569.99 km) |
| Castellammare del Golfo to Boechout | 994.91 mi (1,601.16 km) |
| Castellammare del Golfo to Bonheiden | 986.76 mi (1,588.04 km) |
| Castellammare del Golfo to Boom | 993.19 mi (1,598.39 km) |
| Castellammare del Golfo to Boortmeerbeek | 983.03 mi (1,582.03 km) |
| Castellammare del Golfo to Borgerhout | 999.55 mi (1,608.61 km) |
| Castellammare del Golfo to Borgloon | 956.68 mi (1,539.64 km) |
| Castellammare del Golfo to Bornem | 996.95 mi (1,604.43 km) |
