| Didcot to Archdale (North Carolina) | 3,874.78 mi (6,235.86 km) |
| Didcot to Arden-Arcade (California) | 5,237.49 mi (8,428.92 km) |
| Didcot to Ardmore (Oklahoma) | 4,641.79 mi (7,470.25 km) |
| Didcot to Ardmore (Pennsylvania) | 3,497.16 mi (5,628.13 km) |
| Didcot to Arecibo (Puerto Rico) | 4,180.41 mi (6,727.71 km) |
| Didcot to Arkadelphia (Arkansas) | 4,488.27 mi (7,223.18 km) |
| Didcot to Arkansas City (Kansas) | 4,491.95 mi (7,229.10 km) |
| Didcot to Arlington (Tennessee) | 4,297.68 mi (6,916.46 km) |
| Didcot to Arlington (Texas) | 4,718.68 mi (7,593.99 km) |
| Didcot to Arlington (Virginia) | 3,620.94 mi (5,827.34 km) |
| Didcot to Arlington (Washington) | 4,712.58 mi (7,584.16 km) |
| Didcot to Arlington Heights (Illinois) | 3,905.37 mi (6,285.08 km) |
| Didcot to Arnold (Maryland) | 3,588.85 mi (5,775.70 km) |
| Didcot to Arnold (Missouri) | 4,170.62 mi (6,711.97 km) |
| Didcot to Arroyo Grande (California) | 5,413.17 mi (8,711.65 km) |
