| Didcot to Amelia | 894.20 mi (1,439.07 km) |
| Didcot to Anagni | 961.32 mi (1,547.10 km) |
| Didcot to Ancona | 878.79 mi (1,414.28 km) |
| Didcot to Andria | 1,096.55 mi (1,764.72 km) |
| Didcot to Angri | 1,061.72 mi (1,708.67 km) |
| Didcot to Anguillara Sabazia | 913.92 mi (1,470.81 km) |
| Didcot to Anzio | 959.84 mi (1,544.72 km) |
| Didcot to Anzola dell'Emilia | 751.53 mi (1,209.47 km) |
| Didcot to Aosta | 562.41 mi (905.12 km) |
| Didcot to Apricena | 1,038.13 mi (1,670.71 km) |
| Didcot to Aprilia | 953.18 mi (1,534.00 km) |
| Didcot to Aradeo | 1,216.83 mi (1,958.30 km) |
| Didcot to Aragona | 1,219.47 mi (1,962.54 km) |
| Didcot to Arco | 676.45 mi (1,088.65 km) |
| Didcot to Arcola | 729.56 mi (1,174.12 km) |
