| South Portland to Greenford | 3,178.20 mi (5,114.82 km) |
| South Portland to Greenock | 2,922.76 mi (4,703.73 km) |
| South Portland to Greetland | 3,072.28 mi (4,944.36 km) |
| South Portland to Grimsby | 3,144.95 mi (5,061.31 km) |
| South Portland to Guildford | 3,175.82 mi (5,110.99 km) |
| South Portland to Guisborough | 3,087.94 mi (4,969.56 km) |
| South Portland to Guiseley | 3,075.18 mi (4,949.02 km) |
| South Portland to Hackney | 3,191.02 mi (5,135.45 km) |
| South Portland to Haddington | 2,997.59 mi (4,824.16 km) |
| South Portland to Hadleigh | 3,216.52 mi (5,176.49 km) |
| South Portland to Hailsham | 3,218.32 mi (5,179.38 km) |
| South Portland to Halesowen | 3,089.60 mi (4,972.23 km) |
| South Portland to Halewood | 3,040.23 mi (4,892.78 km) |
| South Portland to Halifax | 3,071.88 mi (4,943.72 km) |
| South Portland to Halstead | 3,208.79 mi (5,164.05 km) |
