| Castle Rock to Ames | 4,715.85 mi (7,589.43 km) |
| Castle Rock to Amorebieta | 4,944.90 mi (7,958.04 km) |
| Castle Rock to Amposta | 5,185.97 mi (8,346.02 km) |
| Castle Rock to Amurrio | 4,941.10 mi (7,951.93 km) |
| Castle Rock to Andoain | 4,973.71 mi (8,004.41 km) |
| Castle Rock to Andraitx | 5,310.86 mi (8,547.00 km) |
| Castle Rock to Andujar | 5,108.05 mi (8,220.61 km) |
| Castle Rock to Antequera | 5,129.23 mi (8,254.70 km) |
| Castle Rock to Antigua | 5,045.72 mi (8,120.31 km) |
| Castle Rock to Aranda de Duero | 4,970.40 mi (7,999.08 km) |
| Castle Rock to Aranjuez | 5,042.86 mi (8,115.71 km) |
| Castle Rock to Archena | 5,221.98 mi (8,403.97 km) |
| Castle Rock to Arcos de la Frontera | 5,086.17 mi (8,185.40 km) |
| Castle Rock to Arenys de Mar | 5,225.83 mi (8,410.16 km) |
| Castle Rock to Arenys de Munt | 5,224.05 mi (8,407.30 km) |
