| Thornton Heath to Hoddesdon | 25.11 mi (40.42 km) |
| Thornton Heath to Holbeach | 97.12 mi (156.29 km) |
| Thornton Heath to Holborn | 8.31 mi (13.37 km) |
| Thornton Heath to Hollinwood | 169.57 mi (272.90 km) |
| Thornton Heath to Holyhead | 231.98 mi (373.34 km) |
| Thornton Heath to Holywell | 184.49 mi (296.91 km) |
| Thornton Heath to Honiton | 139.97 mi (225.25 km) |
| Thornton Heath to Horbury | 167.54 mi (269.63 km) |
| Thornton Heath to Horley | 15.87 mi (25.54 km) |
| Thornton Heath to Hornchurch | 17.55 mi (28.24 km) |
| Thornton Heath to Horndean | 51.08 mi (82.21 km) |
| Thornton Heath to Hornsey | 12.91 mi (20.78 km) |
| Thornton Heath to Horsell | 20.16 mi (32.45 km) |
| Thornton Heath to Horsforth | 180.24 mi (290.07 km) |
| Thornton Heath to Horsham | 25.17 mi (40.51 km) |
