| Keystone to Hoddesdon | 4,411.43 mi (7,099.51 km) |
| Keystone to Holbeach | 4,396.70 mi (7,075.80 km) |
| Keystone to Holborn | 4,411.04 mi (7,098.88 km) |
| Keystone to Hollinwood | 4,299.16 mi (6,918.83 km) |
| Keystone to Holyhead | 4,200.58 mi (6,760.17 km) |
| Keystone to Holywell | 4,258.42 mi (6,853.27 km) |
| Keystone to Honiton | 4,291.21 mi (6,906.04 km) |
| Keystone to Horbury | 4,321.00 mi (6,953.97 km) |
| Keystone to Horley | 4,414.02 mi (7,103.68 km) |
| Keystone to Hornchurch | 4,424.13 mi (7,119.94 km) |
| Keystone to Horndean | 4,383.18 mi (7,054.04 km) |
| Keystone to Hornsey | 4,409.81 mi (7,096.91 km) |
| Keystone to Horsell | 4,395.20 mi (7,073.39 km) |
| Keystone to Horsforth | 4,315.21 mi (6,944.67 km) |
| Keystone to Horsham | 4,409.33 mi (7,096.13 km) |
