| Difficult Run to Hoddesdon | 3,676.55 mi (5,916.84 km) |
| Difficult Run to Holbeach | 3,655.25 mi (5,882.56 km) |
| Difficult Run to Holborn | 3,677.80 mi (5,918.85 km) |
| Difficult Run to Hollinwood | 3,555.34 mi (5,721.76 km) |
| Difficult Run to Holyhead | 3,460.13 mi (5,568.55 km) |
| Difficult Run to Holywell | 3,517.05 mi (5,660.14 km) |
| Difficult Run to Honiton | 3,566.31 mi (5,739.41 km) |
| Difficult Run to Horbury | 3,575.81 mi (5,754.71 km) |
| Difficult Run to Horley | 3,683.11 mi (5,927.39 km) |
| Difficult Run to Hornchurch | 3,690.28 mi (5,938.94 km) |
| Difficult Run to Horndean | 3,654.96 mi (5,882.09 km) |
| Difficult Run to Hornsey | 3,676.15 mi (5,916.19 km) |
| Difficult Run to Horsell | 3,663.72 mi (5,896.19 km) |
| Difficult Run to Horsforth | 3,569.03 mi (5,743.79 km) |
| Difficult Run to Horsham | 3,679.33 mi (5,921.30 km) |
