| Thornton to Heswall | 60.36 mi (97.15 km) |
| Thornton to Hetton le Hole | 73.06 mi (117.58 km) |
| Thornton to Hexham | 82.23 mi (132.34 km) |
| Thornton to Heysham | 46.01 mi (74.04 km) |
| Thornton to Heywood | 20.45 mi (32.90 km) |
| Thornton to High Blantyre | 164.80 mi (265.22 km) |
| Thornton to High Wycombe | 156.28 mi (251.51 km) |
| Thornton to Highbury | 171.17 mi (275.47 km) |
| Thornton to Highgate | 169.08 mi (272.12 km) |
| Thornton to Hilsea | 207.14 mi (333.36 km) |
| Thornton to Hinckley | 88.50 mi (142.43 km) |
| Thornton to Hindley | 34.15 mi (54.97 km) |
| Thornton to Hipperholme | 4.69 mi (7.55 km) |
| Thornton to Hitchin | 143.12 mi (230.33 km) |
| Thornton to Hockley | 183.56 mi (295.42 km) |
