| Irthlingborough to Horwich | 118.74 mi (191.10 km) |
| Irthlingborough to Houghton le Spring | 177.40 mi (285.49 km) |
| Irthlingborough to Houghton Regis | 29.27 mi (47.11 km) |
| Irthlingborough to Hounslow | 60.10 mi (96.72 km) |
| Irthlingborough to Hove | 104.57 mi (168.29 km) |
| Irthlingborough to Hoyland Nether | 88.15 mi (141.87 km) |
| Irthlingborough to Hucclecote | 74.11 mi (119.27 km) |
| Irthlingborough to Huddersfield | 103.35 mi (166.33 km) |
| Irthlingborough to Huntingdon | 18.70 mi (30.09 km) |
| Irthlingborough to Huntington | 116.65 mi (187.73 km) |
| Irthlingborough to Huyton | 119.42 mi (192.19 km) |
| Irthlingborough to Hwlffordd | 188.52 mi (303.39 km) |
| Irthlingborough to Hyde | 98.84 mi (159.07 km) |
| Irthlingborough to Hythe | 106.02 mi (170.63 km) |
| Irthlingborough to Hythe | 113.02 mi (181.89 km) |
