| Cities | Distance |
|---|---|
| Didcot to Hetton le Hole | 222.30 mi (357.76 km) |
| Didcot to Hexham | 235.19 mi (378.50 km) |
| Didcot to Heysham | 182.15 mi (293.15 km) |
| Didcot to Heywood | 143.09 mi (230.28 km) |
| Didcot to High Blantyre | 311.92 mi (501.99 km) |
| Didcot to High Wycombe | 21.20 mi (34.12 km) |
| Didcot to Highbury | 49.26 mi (79.28 km) |
| Didcot to Highgate | 47.12 mi (75.83 km) |
| Didcot to Hilsea | 54.12 mi (87.11 km) |
| Didcot to Hinckley | 64.86 mi (104.39 km) |
| Didcot to Hindley | 144.45 mi (232.47 km) |
| Didcot to Hipperholme | 148.40 mi (238.83 km) |
| Didcot to Hitchin | 47.25 mi (76.04 km) |
| Didcot to Hockley | 80.56 mi (129.65 km) |
| Didcot to Hoddesdon | 53.57 mi (86.22 km) |