| Didcot to Ashwaubenon (Wisconsin) | 3,800.45 mi (6,116.23 km) |
| Didcot to Aspen Hill (Maryland) | 3,610.59 mi (5,810.68 km) |
| Didcot to Astoria (Oregon) | 4,869.78 mi (7,837.16 km) |
| Didcot to Atascadero (California) | 5,395.68 mi (8,683.50 km) |
| Didcot to Atascocita (Texas) | 4,783.76 mi (7,698.72 km) |
| Didcot to Atchison (Kansas) | 4,296.37 mi (6,914.35 km) |
| Didcot to Athens (Alabama) | 4,212.53 mi (6,779.40 km) |
| Didcot to Athens (Georgia) | 4,107.67 mi (6,610.65 km) |
| Didcot to Athens (Ohio) | 3,802.74 mi (6,119.92 km) |
| Didcot to Athens (Tennessee) | 4,085.35 mi (6,574.74 km) |
| Didcot to Athens (Texas) | 4,693.98 mi (7,554.23 km) |
| Didcot to Atlanta (Georgia) | 4,159.83 mi (6,694.60 km) |
| Didcot to Atlantic Beach (Florida) | 4,203.11 mi (6,764.24 km) |
| Didcot to Atlantic City (New Jersey) | 3,490.03 mi (5,616.66 km) |
| Didcot to Attleboro (Massachusetts) | 3,250.87 mi (5,231.77 km) |
