| South Portland to Elkhart (Indiana) | 806.28 mi (1,297.58 km) |
| South Portland to Elkhorn (Wisconsin) | 920.37 mi (1,481.18 km) |
| South Portland to Elko (Nevada) | 2,305.34 mi (3,710.08 km) |
| South Portland to Elkridge (Maryland) | 453.39 mi (729.66 km) |
| South Portland to Elkton (Maryland) | 398.51 mi (641.33 km) |
| South Portland to Ellensburg (Washington) | 2,410.78 mi (3,879.78 km) |
| South Portland to Ellicott City (Maryland) | 452.90 mi (728.87 km) |
| South Portland to Elmhurst (Illinois) | 901.72 mi (1,451.17 km) |
| South Portland to Elmira (New York) | 346.76 mi (558.06 km) |
| South Portland to Elmont (New York) | 267.46 mi (430.44 km) |
| South Portland to Elmwood Park (Illinois) | 894.97 mi (1,440.31 km) |
| South Portland to Elmwood Park (New Jersey) | 271.67 mi (437.21 km) |
| South Portland to Elon (North Carolina) | 713.02 mi (1,147.49 km) |
| South Portland to Eloy (Arizona) | 2,338.64 mi (3,763.68 km) |
| South Portland to Elwood (New York) | 247.66 mi (398.57 km) |
