| Didcot to Ames | 693.46 mi (1,116.02 km) |
| Didcot to Amorebieta | 583.63 mi (939.26 km) |
| Didcot to Amposta | 757.77 mi (1,219.51 km) |
| Didcot to Amurrio | 596.64 mi (960.20 km) |
| Didcot to Andoain | 580.77 mi (934.66 km) |
| Didcot to Andraitx | 849.65 mi (1,367.38 km) |
| Didcot to Andujar | 947.25 mi (1,524.45 km) |
| Didcot to Antequera | 1,020.90 mi (1,642.98 km) |
| Didcot to Antigua | 1,733.10 mi (2,789.15 km) |
| Didcot to Aranda de Duero | 695.20 mi (1,118.82 km) |
| Didcot to Aranjuez | 807.53 mi (1,299.59 km) |
| Didcot to Archena | 932.14 mi (1,500.14 km) |
| Didcot to Arcos de la Frontera | 1,050.49 mi (1,690.59 km) |
| Didcot to Arenys de Mar | 715.35 mi (1,151.25 km) |
| Didcot to Arenys de Munt | 713.15 mi (1,147.71 km) |
