| Round Rock to Horwich | 4,747.20 mi (7,639.88 km) |
| Round Rock to Houghton le Spring | 4,753.15 mi (7,649.45 km) |
| Round Rock to Houghton Regis | 4,871.58 mi (7,840.05 km) |
| Round Rock to Hounslow | 4,890.19 mi (7,869.99 km) |
| Round Rock to Hove | 4,916.68 mi (7,912.63 km) |
| Round Rock to Hoyland Nether | 4,791.20 mi (7,710.68 km) |
| Round Rock to Hucclecote | 4,808.81 mi (7,739.03 km) |
| Round Rock to Huddersfield | 4,774.39 mi (7,683.64 km) |
| Round Rock to Huntingdon | 4,872.52 mi (7,841.56 km) |
| Round Rock to Huntington | 4,792.26 mi (7,712.40 km) |
| Round Rock to Huyton | 4,740.69 mi (7,629.40 km) |
| Round Rock to Hwlffordd | 4,700.37 mi (7,564.51 km) |
| Round Rock to Hyde | 4,768.43 mi (7,674.04 km) |
| Round Rock to Hythe | 4,867.37 mi (7,833.28 km) |
| Round Rock to Hythe | 4,958.85 mi (7,980.50 km) |
