| Royston to Argentona | 733.77 mi (1,180.89 km) |
| Royston to Arico el Nuevo | 1,854.23 mi (2,984.09 km) |
| Royston to Armilla | 1,044.05 mi (1,680.24 km) |
| Royston to Arnedo | 686.14 mi (1,104.23 km) |
| Royston to Arona | 1,864.33 mi (3,000.36 km) |
| Royston to Arrecife | 1,739.61 mi (2,799.64 km) |
| Royston to Arrigorriaga | 625.01 mi (1,005.86 km) |
| Royston to Arroyomolinos | 834.54 mi (1,343.07 km) |
| Royston to Arteijo | 720.68 mi (1,159.83 km) |
| Royston to Arucas | 1,836.46 mi (2,955.49 km) |
| Royston to Aspe | 947.37 mi (1,524.64 km) |
| Royston to Astorga | 719.94 mi (1,158.63 km) |
| Royston to Atarfe | 1,039.68 mi (1,673.20 km) |
| Royston to Avila | 817.83 mi (1,316.17 km) |
| Royston to Aviles | 646.67 mi (1,040.72 km) |
