| South Portland to Attleboro (Massachusetts) | 128.04 mi (206.06 km) |
| South Portland to Atwater (California) | 2,637.71 mi (4,244.98 km) |
| South Portland to Auburn (Alabama) | 1,120.34 mi (1,803.02 km) |
| South Portland to Auburn (California) | 2,616.69 mi (4,211.15 km) |
| South Portland to Auburn (Indiana) | 767.22 mi (1,234.73 km) |
| South Portland to Auburn (Maine) | 31.44 mi (50.60 km) |
| South Portland to Auburn (New York) | 319.40 mi (514.02 km) |
| South Portland to Auburn (Washington) | 2,481.82 mi (3,994.11 km) |
| South Portland to Auburn Hills (Michigan) | 655.69 mi (1,055.24 km) |
| South Portland to Auburndale (Florida) | 1,249.21 mi (2,010.40 km) |
| South Portland to Augusta (Georgia) | 951.48 mi (1,531.27 km) |
| South Portland to Augusta (Maine) | 55.93 mi (90.01 km) |
| South Portland to Aurora (Colorado) | 1,784.70 mi (2,872.20 km) |
| South Portland to Aurora (Illinois) | 921.27 mi (1,482.64 km) |
| South Portland to Aurora (Ohio) | 585.26 mi (941.89 km) |
