| Clayton to Houghton le Spring | 74.48 mi (119.87 km) |
| Clayton to Houghton Regis | 140.46 mi (226.05 km) |
| Clayton to Hounslow | 170.96 mi (275.13 km) |
| Clayton to Hove | 215.02 mi (346.04 km) |
| Clayton to Hoyland Nether | 24.84 mi (39.98 km) |
| Clayton to Hucclecote | 134.36 mi (216.24 km) |
| Clayton to Huddersfield | 9.57 mi (15.39 km) |
| Clayton to Huntingdon | 120.92 mi (194.61 km) |
| Clayton to Huntington | 34.59 mi (55.66 km) |
| Clayton to Huyton | 49.29 mi (79.32 km) |
| Clayton to Hwlffordd | 190.09 mi (305.92 km) |
| Clayton to Hyde | 25.60 mi (41.21 km) |
| Clayton to Hythe | 202.03 mi (325.13 km) |
| Clayton to Hythe | 223.50 mi (359.69 km) |
| Clayton to Ickenham | 163.95 mi (263.86 km) |
