| Castricum to Broxbourne | 206.27 mi (331.96 km) |
| Castricum to Broxburn | 402.85 mi (648.33 km) |
| Castricum to Bryn | 311.19 mi (500.81 km) |
| Castricum to Buckhurst Hill | 206.52 mi (332.36 km) |
| Castricum to Buckie | 464.62 mi (747.73 km) |
| Castricum to Buckingham | 241.98 mi (389.43 km) |
| Castricum to Buckley | 326.08 mi (524.78 km) |
| Castricum to Bucksburn | 419.38 mi (674.93 km) |
| Castricum to Bude | 411.75 mi (662.65 km) |
| Castricum to Bulwell | 246.99 mi (397.49 km) |
| Castricum to Burbage | 252.71 mi (406.69 km) |
| Castricum to Burgess Hill | 232.74 mi (374.55 km) |
| Castricum to Burnham | 236.81 mi (381.10 km) |
| Castricum to Burnham-on-Sea | 338.79 mi (545.23 km) |
| Castricum to Burnley | 298.77 mi (480.83 km) |
