| Castaic to Borsbeek | 5,586.13 mi (8,990.00 km) |
| Castaic to Boussu | 5,602.82 mi (9,016.87 km) |
| Castaic to Braine-l'Alleud | 5,608.38 mi (9,025.81 km) |
| Castaic to Braine-le-Chateau | 5,605.02 mi (9,020.42 km) |
| Castaic to Braine-le-Comte | 5,605.03 mi (9,020.43 km) |
| Castaic to Brasschaat | 5,581.71 mi (8,982.90 km) |
| Castaic to Brecht | 5,583.24 mi (8,985.36 km) |
| Castaic to Bredene | 5,538.42 mi (8,913.22 km) |
| Castaic to Bree | 5,622.54 mi (9,048.60 km) |
| Castaic to Bruges | 5,547.27 mi (8,927.47 km) |
| Castaic to Brussels | 5,599.59 mi (9,011.67 km) |
| Castaic to Buggenhout | 5,587.38 mi (8,992.02 km) |
| Castaic to Chapelle-lez-Herlaimont | 5,616.22 mi (9,038.43 km) |
| Castaic to Charleroi | 5,624.13 mi (9,051.16 km) |
| Castaic to Chatelet | 5,626.69 mi (9,055.29 km) |
