| Grayslake to Hoddesdon | 3,937.46 mi (6,336.73 km) |
| Grayslake to Holbeach | 3,904.76 mi (6,284.10 km) |
| Grayslake to Holborn | 3,941.55 mi (6,343.31 km) |
| Grayslake to Hollinwood | 3,802.66 mi (6,119.79 km) |
| Grayslake to Holyhead | 3,716.06 mi (5,980.42 km) |
| Grayslake to Holywell | 3,769.88 mi (6,067.04 km) |
| Grayslake to Honiton | 3,846.53 mi (6,190.39 km) |
| Grayslake to Horbury | 3,820.02 mi (6,147.74 km) |
| Grayslake to Horley | 3,950.72 mi (6,358.06 km) |
| Grayslake to Hornchurch | 3,952.70 mi (6,361.25 km) |
| Grayslake to Horndean | 3,927.73 mi (6,321.08 km) |
| Grayslake to Hornsey | 3,939.20 mi (6,339.53 km) |
| Grayslake to Horsell | 3,930.81 mi (6,326.03 km) |
| Grayslake to Horsforth | 3,811.46 mi (6,133.95 km) |
| Grayslake to Horsham | 3,948.57 mi (6,354.61 km) |
