| Rickmansworth to Argentona | 709.67 mi (1,142.10 km) |
| Rickmansworth to Arico el Nuevo | 1,820.17 mi (2,929.28 km) |
| Rickmansworth to Armilla | 1,012.81 mi (1,629.96 km) |
| Rickmansworth to Arnedo | 655.47 mi (1,054.88 km) |
| Rickmansworth to Arona | 1,830.28 mi (2,945.55 km) |
| Rickmansworth to Arrecife | 1,705.71 mi (2,745.07 km) |
| Rickmansworth to Arrigorriaga | 593.29 mi (954.80 km) |
| Rickmansworth to Arroyomolinos | 802.60 mi (1,291.65 km) |
| Rickmansworth to Arteijo | 686.66 mi (1,105.07 km) |
| Rickmansworth to Arucas | 1,802.43 mi (2,900.73 km) |
| Rickmansworth to Aspe | 918.55 mi (1,478.27 km) |
| Rickmansworth to Astorga | 686.30 mi (1,104.49 km) |
| Rickmansworth to Atarfe | 1,008.37 mi (1,622.82 km) |
| Rickmansworth to Avila | 785.26 mi (1,263.75 km) |
| Rickmansworth to Aviles | 612.88 mi (986.34 km) |
