| South Portland to Humble (Texas) | 1,661.81 mi (2,674.42 km) |
| South Portland to Hunters Creek (Florida) | 1,222.70 mi (1,967.74 km) |
| South Portland to Huntersville (North Carolina) | 799.41 mi (1,286.52 km) |
| South Portland to Huntington (Indiana) | 799.78 mi (1,287.12 km) |
| South Portland to Huntington (Virginia) | 485.65 mi (781.57 km) |
| South Portland to Huntington (West Virginia) | 727.57 mi (1,170.90 km) |
| South Portland to Huntington Beach (California) | 2,625.63 mi (4,225.54 km) |
| South Portland to Huntington Park (California) | 2,626.73 mi (4,227.31 km) |
| South Portland to Huntington Station (New York) | 249.89 mi (402.15 km) |
| South Portland to Huntley (Illinois) | 922.12 mi (1,484.01 km) |
| South Portland to Huntsville (Alabama) | 1,068.42 mi (1,719.45 km) |
| South Portland to Huntsville (Texas) | 1,643.03 mi (2,644.20 km) |
| South Portland to Huron (South Dakota) | 1,381.93 mi (2,224.00 km) |
| South Portland to Hurricane (Utah) | 2,283.55 mi (3,675.02 km) |
| South Portland to Hurst (Texas) | 1,628.87 mi (2,621.41 km) |
