| South Portland to Colton (California) | 2,579.69 mi (4,151.61 km) |
| South Portland to Columbia (Illinois) | 1,094.90 mi (1,762.07 km) |
| South Portland to Columbia (Maryland) | 457.53 mi (736.33 km) |
| South Portland to Columbia (Missouri) | 1,184.98 mi (1,907.04 km) |
| South Portland to Columbia (Pennsylvania) | 404.50 mi (650.98 km) |
| South Portland to Columbia (South Carolina) | 873.53 mi (1,405.82 km) |
| South Portland to Columbia (Tennessee) | 1,046.51 mi (1,684.20 km) |
| South Portland to Columbia Heights (Minnesota) | 1,134.87 mi (1,826.39 km) |
| South Portland to Columbine (Colorado) | 1,804.83 mi (2,904.60 km) |
| South Portland to Columbus (Georgia) | 1,101.41 mi (1,772.54 km) |
| South Portland to Columbus (Indiana) | 863.81 mi (1,390.17 km) |
| South Portland to Columbus (Mississippi) | 1,198.71 mi (1,929.14 km) |
| South Portland to Columbus (Nebraska) | 1,380.21 mi (2,221.23 km) |
| South Portland to Columbus (Ohio) | 699.76 mi (1,126.16 km) |
| South Portland to Commack (New York) | 246.03 mi (395.94 km) |
