| Didcot to Argentona | 715.40 mi (1,151.32 km) |
| Didcot to Arico el Nuevo | 1,800.39 mi (2,897.45 km) |
| Didcot to Armilla | 1,005.54 mi (1,618.26 km) |
| Didcot to Arnedo | 649.99 mi (1,046.06 km) |
| Didcot to Arona | 1,810.38 mi (2,913.52 km) |
| Didcot to Arrecife | 1,688.35 mi (2,717.13 km) |
| Didcot to Arrigorriaga | 585.30 mi (941.94 km) |
| Didcot to Arroyomolinos | 793.68 mi (1,277.30 km) |
| Didcot to Arteijo | 665.86 mi (1,071.59 km) |
| Didcot to Arucas | 1,783.54 mi (2,870.33 km) |
| Didcot to Aspe | 916.49 mi (1,474.95 km) |
| Didcot to Astorga | 671.19 mi (1,080.18 km) |
| Didcot to Atarfe | 1,000.95 mi (1,610.87 km) |
| Didcot to Avila | 774.49 mi (1,246.43 km) |
| Didcot to Aviles | 596.91 mi (960.63 km) |
