| Castle Rock to Ayamonte | 4,996.86 mi (8,041.67 km) |
| Castle Rock to Azcoitia | 4,963.54 mi (7,988.05 km) |
| Castle Rock to Azpeitia | 4,965.24 mi (7,990.78 km) |
| Castle Rock to Azuqueca de Henares | 5,034.46 mi (8,102.18 km) |
| Castle Rock to Badajoz | 4,946.71 mi (7,960.97 km) |
| Castle Rock to Badalona | 5,219.98 mi (8,400.74 km) |
| Castle Rock to Baena | 5,114.46 mi (8,230.93 km) |
| Castle Rock to Baeza | 5,135.49 mi (8,264.78 km) |
| Castle Rock to Bailen | 5,118.37 mi (8,237.23 km) |
| Castle Rock to Balaguer | 5,147.55 mi (8,284.17 km) |
| Castle Rock to Banolas | 5,210.22 mi (8,385.04 km) |
| Castle Rock to Baranain | 5,005.31 mi (8,055.27 km) |
| Castle Rock to Barbadanes | 4,769.78 mi (7,676.21 km) |
| Castle Rock to Barbastro | 5,109.76 mi (8,223.36 km) |
| Castle Rock to Barcelona | 5,220.01 mi (8,400.80 km) |
