| South Portland to Hagerstown (Maryland) | 472.27 mi (760.05 km) |
| South Portland to Haines City (Florida) | 1,243.12 mi (2,000.61 km) |
| South Portland to Halawa (Hawaii) | 5,097.50 mi (8,203.63 km) |
| South Portland to Half Moon Bay (California) | 2,725.26 mi (4,385.89 km) |
| South Portland to Halfway (Maryland) | 475.33 mi (764.96 km) |
| South Portland to Hallandale Beach (Florida) | 1,338.85 mi (2,154.67 km) |
| South Portland to Haltom City (Texas) | 1,633.84 mi (2,629.40 km) |
| South Portland to Ham Lake (Minnesota) | 1,132.05 mi (1,821.86 km) |
| South Portland to Hamilton (Ohio) | 793.20 mi (1,276.52 km) |
| South Portland to Hamilton Square (New Jersey) | 325.01 mi (523.05 km) |
| South Portland to Hammond (Indiana) | 883.87 mi (1,422.45 km) |
| South Portland to Hammond (Louisiana) | 1,427.97 mi (2,298.09 km) |
| South Portland to Hammonton (New Jersey) | 358.84 mi (577.50 km) |
| South Portland to Hampton (Virginia) | 555.28 mi (893.64 km) |
| South Portland to Hampton Bays (New York) | 222.35 mi (357.83 km) |
