| Witham to Argentona | 712.53 mi (1,146.70 km) |
| Witham to Arico el Nuevo | 1,855.82 mi (2,986.65 km) |
| Witham to Armilla | 1,033.11 mi (1,662.63 km) |
| Witham to Arnedo | 674.31 mi (1,085.19 km) |
| Witham to Arona | 1,866.07 mi (3,003.14 km) |
| Witham to Arrecife | 1,738.43 mi (2,797.74 km) |
| Witham to Arrigorriaga | 615.68 mi (990.85 km) |
| Witham to Arroyomolinos | 825.50 mi (1,328.51 km) |
| Witham to Arteijo | 724.33 mi (1,165.70 km) |
| Witham to Arucas | 1,837.00 mi (2,956.36 km) |
| Witham to Aspe | 931.94 mi (1,499.81 km) |
| Witham to Astorga | 717.30 mi (1,154.39 km) |
| Witham to Atarfe | 1,028.88 mi (1,655.82 km) |
| Witham to Avila | 810.59 mi (1,304.52 km) |
| Witham to Aviles | 645.14 mi (1,038.25 km) |
