| Didcot to Hermiston (Oregon) | 4,765.84 mi (7,669.88 km) |
| Didcot to Hermitage (Pennsylvania) | 3,650.67 mi (5,875.19 km) |
| Didcot to Hermosa Beach (California) | 5,415.71 mi (8,715.74 km) |
| Didcot to Hernando (Mississippi) | 4,330.71 mi (6,969.61 km) |
| Didcot to Herndon (Virginia) | 3,628.51 mi (5,839.52 km) |
| Didcot to Herriman (Utah) | 4,839.31 mi (7,788.11 km) |
| Didcot to Herrin (Illinois) | 4,148.88 mi (6,676.98 km) |
| Didcot to Hershey (Pennsylvania) | 3,540.05 mi (5,697.16 km) |
| Didcot to Hesperia (California) | 5,350.32 mi (8,610.51 km) |
| Didcot to Hewitt (Texas) | 4,786.00 mi (7,702.33 km) |
| Didcot to Hialeah (Florida) | 4,379.47 mi (7,048.08 km) |
| Didcot to Hialeah Gardens (Florida) | 4,380.78 mi (7,050.18 km) |
| Didcot to Hibbing (Minnesota) | 3,844.42 mi (6,187.00 km) |
| Didcot to Hickory (North Carolina) | 3,938.30 mi (6,338.09 km) |
| Didcot to Hickory Hills (Illinois) | 3,916.62 mi (6,303.18 km) |
