| Castle Rock to Bollullos par del Condado | 5,029.37 mi (8,094.00 km) |
| Castle Rock to Bormujos | 5,048.72 mi (8,125.13 km) |
| Castle Rock to Brenes | 5,049.85 mi (8,126.95 km) |
| Castle Rock to Brunete | 5,011.09 mi (8,064.58 km) |
| Castle Rock to Bueu | 4,732.21 mi (7,615.76 km) |
| Castle Rock to Bullas | 5,209.13 mi (8,383.29 km) |
| Castle Rock to Bunol | 5,186.40 mi (8,346.70 km) |
| Castle Rock to Burela de Cabo | 4,737.80 mi (7,624.75 km) |
| Castle Rock to Burgos | 4,942.38 mi (7,954.00 km) |
| Castle Rock to Burjasot | 5,198.47 mi (8,366.13 km) |
| Castle Rock to Burriana | 5,194.63 mi (8,359.94 km) |
| Castle Rock to Cabanaquinta | 4,834.28 mi (7,780.02 km) |
| Castle Rock to Cabanillas del Campo | 5,032.72 mi (8,099.38 km) |
| Castle Rock to Cabra | 5,115.75 mi (8,233.01 km) |
| Castle Rock to Caceres | 4,948.35 mi (7,963.60 km) |
