| Killingworth to Argentona | 948.32 mi (1,526.18 km) |
| Killingworth to Arico el Nuevo | 1,999.13 mi (3,217.29 km) |
| Killingworth to Armilla | 1,239.32 mi (1,994.49 km) |
| Killingworth to Arnedo | 885.78 mi (1,425.52 km) |
| Killingworth to Arona | 2,008.52 mi (3,232.40 km) |
| Killingworth to Arrecife | 1,897.46 mi (3,053.67 km) |
| Killingworth to Arrigorriaga | 819.13 mi (1,318.27 km) |
| Killingworth to Arroyomolinos | 1,025.84 mi (1,650.93 km) |
| Killingworth to Arteijo | 868.04 mi (1,396.98 km) |
| Killingworth to Arucas | 1,986.27 mi (3,196.60 km) |
| Killingworth to Aspe | 1,153.49 mi (1,856.36 km) |
| Killingworth to Astorga | 892.18 mi (1,435.82 km) |
| Killingworth to Atarfe | 1,234.57 mi (1,986.84 km) |
| Killingworth to Avila | 1,003.96 mi (1,615.71 km) |
| Killingworth to Aviles | 816.39 mi (1,313.85 km) |
