| South Portland to Hamilton | 2,952.80 mi (4,752.07 km) |
| South Portland to Hammersmith | 3,184.15 mi (5,124.40 km) |
| South Portland to Hampton | 3,179.90 mi (5,117.55 km) |
| South Portland to Hamworthy | 3,128.19 mi (5,034.33 km) |
| South Portland to Handsworth | 3,097.03 mi (4,984.19 km) |
| South Portland to Hanwell | 3,179.11 mi (5,116.28 km) |
| South Portland to Harborne | 3,093.46 mi (4,978.44 km) |
| South Portland to Harlow | 3,191.89 mi (5,136.85 km) |
| South Portland to Harpenden | 3,171.61 mi (5,104.21 km) |
| South Portland to Harrogate | 3,079.53 mi (4,956.02 km) |
| South Portland to Harrow | 3,177.09 mi (5,113.03 km) |
| South Portland to Harrow on the Hill | 3,178.05 mi (5,114.58 km) |
| South Portland to Harrow Weald | 3,176.93 mi (5,112.77 km) |
| South Portland to Hartlepool | 3,079.13 mi (4,955.38 km) |
| South Portland to Harwich | 3,234.14 mi (5,204.85 km) |
