| River Forest to Hoddesdon | 3,950.17 mi (6,357.19 km) |
| River Forest to Holbeach | 3,918.06 mi (6,305.50 km) |
| River Forest to Holborn | 3,954.11 mi (6,363.52 km) |
| River Forest to Hollinwood | 3,815.99 mi (6,141.25 km) |
| River Forest to Holyhead | 3,728.87 mi (6,001.03 km) |
| River Forest to Holywell | 3,782.90 mi (6,087.99 km) |
| River Forest to Honiton | 3,858.12 mi (6,209.04 km) |
| River Forest to Horbury | 3,833.53 mi (6,169.48 km) |
| River Forest to Horley | 3,963.07 mi (6,377.95 km) |
| River Forest to Hornchurch | 3,965.34 mi (6,381.60 km) |
| River Forest to Horndean | 3,939.80 mi (6,340.49 km) |
| River Forest to Hornsey | 3,951.80 mi (6,359.80 km) |
| River Forest to Horsell | 3,943.18 mi (6,345.94 km) |
| River Forest to Horsforth | 3,825.06 mi (6,155.84 km) |
| River Forest to Horsham | 3,960.84 mi (6,374.36 km) |
