| Castricum to Buenaventura Lakes (Florida) | 4,528.89 mi (7,288.54 km) |
| Castricum to Buffalo (Minnesota) | 4,147.74 mi (6,675.14 km) |
| Castricum to Buffalo (New York) | 3,716.58 mi (5,981.26 km) |
| Castricum to Buffalo Grove (Illinois) | 4,089.28 mi (6,581.07 km) |
| Castricum to Buford (Georgia) | 4,339.04 mi (6,983.02 km) |
| Castricum to Bull Run (Virginia) | 3,857.36 mi (6,207.82 km) |
| Castricum to Bullhead City (Arizona) | 5,364.71 mi (8,633.67 km) |
| Castricum to Burbank (California) | 5,533.24 mi (8,904.88 km) |
| Castricum to Burbank (Illinois) | 4,102.97 mi (6,603.09 km) |
| Castricum to Burien (Washington) | 4,854.66 mi (7,812.81 km) |
| Castricum to Burkburnett (Texas) | 4,889.20 mi (7,868.41 km) |
| Castricum to Burke (Virginia) | 3,847.41 mi (6,191.81 km) |
| Castricum to Burke Centre (Virginia) | 3,848.23 mi (6,193.13 km) |
| Castricum to Burleson (Texas) | 4,928.34 mi (7,931.40 km) |
| Castricum to Burley (Idaho) | 4,915.45 mi (7,910.66 km) |
