| South Portland to Hameenkyro | 3,738.66 mi (6,016.79 km) |
| South Portland to Hameenlinna | 3,796.32 mi (6,109.59 km) |
| South Portland to Hamina | 3,891.17 mi (6,262.23 km) |
| South Portland to Hanko | 3,788.89 mi (6,097.62 km) |
| South Portland to Hattula | 3,791.50 mi (6,101.83 km) |
| South Portland to Haukipudas | 3,688.53 mi (5,936.11 km) |
| South Portland to Hausjarvi | 3,819.60 mi (6,147.05 km) |
| South Portland to Heinola | 3,835.38 mi (6,172.45 km) |
| South Portland to Helsinki | 3,837.62 mi (6,176.05 km) |
| South Portland to Hollola | 3,827.29 mi (6,159.43 km) |
| South Portland to Huittinen | 3,738.22 mi (6,016.08 km) |
| South Portland to Hyvinkaa | 3,819.57 mi (6,147.00 km) |
| South Portland to Ii | 3,685.04 mi (5,930.50 km) |
| South Portland to Iisalmi | 3,788.56 mi (6,097.10 km) |
| South Portland to Ilmajoki | 3,687.14 mi (5,933.87 km) |
