| Greenock to Houghton le Spring | 150.34 mi (241.94 km) |
| Greenock to Houghton Regis | 328.36 mi (528.45 km) |
| Greenock to Hounslow | 357.86 mi (575.92 km) |
| Greenock to Hove | 400.60 mi (644.70 km) |
| Greenock to Hoyland Nether | 215.09 mi (346.16 km) |
| Greenock to Hucclecote | 302.14 mi (486.25 km) |
| Greenock to Huddersfield | 198.71 mi (319.79 km) |
| Greenock to Huntingdon | 311.14 mi (500.73 km) |
| Greenock to Huntington | 200.15 mi (322.11 km) |
| Greenock to Huyton | 191.51 mi (308.21 km) |
| Greenock to Hwlffordd | 286.86 mi (461.65 km) |
| Greenock to Hyde | 203.37 mi (327.30 km) |
| Greenock to Hythe | 377.33 mi (607.26 km) |
| Greenock to Hythe | 413.65 mi (665.71 km) |
| Greenock to Ickenham | 350.82 mi (564.59 km) |
