| Castricum to Arico el Nuevo | 2,002.03 mi (3,221.96 km) |
| Castricum to Armilla | 1,136.98 mi (1,829.79 km) |
| Castricum to Arnedo | 780.16 mi (1,255.55 km) |
| Castricum to Arona | 2,012.69 mi (3,239.11 km) |
| Castricum to Arrecife | 1,876.15 mi (3,019.38 km) |
| Castricum to Arrigorriaga | 733.34 mi (1,180.19 km) |
| Castricum to Arroyomolinos | 940.17 mi (1,513.06 km) |
| Castricum to Arteijo | 880.70 mi (1,417.34 km) |
| Castricum to Arucas | 1,980.04 mi (3,186.57 km) |
| Castricum to Aspe | 1,015.45 mi (1,634.21 km) |
| Castricum to Astorga | 856.49 mi (1,378.39 km) |
| Castricum to Atarfe | 1,133.44 mi (1,824.10 km) |
| Castricum to Avila | 932.59 mi (1,500.86 km) |
| Castricum to Aviles | 788.68 mi (1,269.26 km) |
| Castricum to Ayamonte | 1,210.34 mi (1,947.86 km) |
