| Castle Rock to Amelia | 5,549.79 mi (8,931.52 km) |
| Castle Rock to Anagni | 5,616.34 mi (9,038.63 km) |
| Castle Rock to Ancona | 5,535.20 mi (8,908.05 km) |
| Castle Rock to Andria | 5,753.33 mi (9,259.09 km) |
| Castle Rock to Angri | 5,717.25 mi (9,201.02 km) |
| Castle Rock to Anguillara Sabazia | 5,567.56 mi (8,960.12 km) |
| Castle Rock to Anzio | 5,612.10 mi (9,031.80 km) |
| Castle Rock to Anzola dell'Emilia | 5,408.67 mi (8,704.42 km) |
| Castle Rock to Aosta | 5,215.25 mi (8,393.14 km) |
| Castle Rock to Apricena | 5,695.07 mi (9,165.33 km) |
| Castle Rock to Aprilia | 5,606.11 mi (9,022.16 km) |
| Castle Rock to Aradeo | 5,872.92 mi (9,451.55 km) |
| Castle Rock to Aragona | 5,851.28 mi (9,416.73 km) |
| Castle Rock to Arco | 5,331.39 mi (8,580.04 km) |
| Castle Rock to Arcola | 5,383.82 mi (8,664.42 km) |
