| South Portland to Heswall | 3,030.54 mi (4,877.19 km) |
| South Portland to Hetton le Hole | 3,067.54 mi (4,936.72 km) |
| South Portland to Hexham | 3,039.83 mi (4,892.14 km) |
| South Portland to Heysham | 3,025.49 mi (4,869.05 km) |
| South Portland to Heywood | 3,060.44 mi (4,925.31 km) |
| South Portland to High Blantyre | 2,950.36 mi (4,748.14 km) |
| South Portland to High Wycombe | 3,159.76 mi (5,085.15 km) |
| South Portland to Highbury | 3,187.92 mi (5,130.47 km) |
| South Portland to Highgate | 3,185.54 mi (5,126.63 km) |
| South Portland to Hilsea | 3,164.57 mi (5,092.89 km) |
| South Portland to Hinckley | 3,114.96 mi (5,013.05 km) |
| South Portland to Hindley | 3,047.78 mi (4,904.93 km) |
| South Portland to Hipperholme | 3,073.87 mi (4,946.92 km) |
| South Portland to Hitchin | 3,171.53 mi (5,104.09 km) |
| South Portland to Hockley | 3,216.49 mi (5,176.45 km) |
