| London Colney to Hebburn | 229.78 mi (369.79 km) |
| London Colney to Heckmondwike | 148.46 mi (238.92 km) |
| London Colney to Hednesford | 99.08 mi (159.46 km) |
| London Colney to Helensburgh | 346.97 mi (558.40 km) |
| London Colney to Hellesdon | 91.53 mi (147.30 km) |
| London Colney to Helston | 243.85 mi (392.44 km) |
| London Colney to Hemel Hempstead | 7.47 mi (12.02 km) |
| London Colney to Hemsworth | 137.40 mi (221.13 km) |
| London Colney to Hendon | 10.34 mi (16.64 km) |
| London Colney to Henley on Thames | 29.01 mi (46.69 km) |
| London Colney to Hereford | 105.51 mi (169.80 km) |
| London Colney to Herne Bay | 66.18 mi (106.51 km) |
| London Colney to Hersham | 25.10 mi (40.40 km) |
| London Colney to Hertford | 10.70 mi (17.21 km) |
| London Colney to Hessle | 138.15 mi (222.33 km) |
