| Castalla to Hammersmith | 891.30 mi (1,434.41 km) |
| Castalla to Hampton | 886.26 mi (1,426.30 km) |
| Castalla to Hamworthy | 840.23 mi (1,352.23 km) |
| Castalla to Handsworth | 1,021.32 mi (1,643.66 km) |
| Castalla to Hanwell | 892.30 mi (1,436.02 km) |
| Castalla to Harborne | 959.82 mi (1,544.68 km) |
| Castalla to Harlow | 911.62 mi (1,467.12 km) |
| Castalla to Harpenden | 913.60 mi (1,470.29 km) |
| Castalla to Harrogate | 1,064.49 mi (1,713.13 km) |
| Castalla to Harrow | 897.44 mi (1,444.30 km) |
| Castalla to Harrow on the Hill | 896.21 mi (1,442.30 km) |
| Castalla to Harrow Weald | 898.86 mi (1,446.58 km) |
| Castalla to Hartlepool | 1,112.22 mi (1,789.95 km) |
| Castalla to Harwich | 926.23 mi (1,490.62 km) |
| Castalla to Haslemere | 863.21 mi (1,389.20 km) |
