| River Grove to Horwich | 3,798.41 mi (6,112.94 km) |
| River Grove to Houghton le Spring | 3,801.10 mi (6,117.28 km) |
| River Grove to Houghton Regis | 3,925.57 mi (6,317.60 km) |
| River Grove to Hounslow | 3,945.23 mi (6,349.23 km) |
| River Grove to Hove | 3,973.31 mi (6,394.42 km) |
| River Grove to Hoyland Nether | 3,841.93 mi (6,182.99 km) |
| River Grove to Hucclecote | 3,864.29 mi (6,218.97 km) |
| River Grove to Huddersfield | 3,825.00 mi (6,155.74 km) |
| River Grove to Huntingdon | 3,925.15 mi (6,316.91 km) |
| River Grove to Huntington | 3,841.68 mi (6,182.58 km) |
| River Grove to Huyton | 3,792.52 mi (6,103.48 km) |
| River Grove to Hwlffordd | 3,758.32 mi (6,048.44 km) |
| River Grove to Hyde | 3,819.69 mi (6,147.19 km) |
| River Grove to Hythe | 3,925.03 mi (6,316.72 km) |
| River Grove to Hythe | 4,013.71 mi (6,459.44 km) |
