| Didcot to Haines City (Florida) | 4,322.22 mi (6,955.93 km) |
| Didcot to Halawa (Hawaii) | 7,200.01 mi (11,587.30 km) |
| Didcot to Half Moon Bay (California) | 5,334.41 mi (8,584.90 km) |
| Didcot to Halfway (Maryland) | 3,615.19 mi (5,818.08 km) |
| Didcot to Hallandale Beach (Florida) | 4,366.75 mi (7,027.60 km) |
| Didcot to Haltom City (Texas) | 4,718.23 mi (7,593.26 km) |
| Didcot to Ham Lake (Minnesota) | 3,952.26 mi (6,360.55 km) |
| Didcot to Hamilton (Ohio) | 3,897.74 mi (6,272.81 km) |
| Didcot to Hamilton Square (New Jersey) | 3,461.20 mi (5,570.27 km) |
| Didcot to Hammond (Indiana) | 3,908.70 mi (6,290.45 km) |
| Didcot to Hammond (Louisiana) | 4,566.87 mi (7,349.66 km) |
| Didcot to Hammonton (New Jersey) | 3,490.77 mi (5,617.85 km) |
| Didcot to Hampton (Virginia) | 3,673.20 mi (5,911.44 km) |
| Didcot to Hampton Bays (New York) | 3,346.04 mi (5,384.93 km) |
| Didcot to Hamtramck (Michigan) | 3,701.80 mi (5,957.47 km) |
