| South Portland to Detroit (Michigan) | 652.43 mi (1,049.98 km) |
| South Portland to Chicago (Illinois) | 889.87 mi (1,432.11 km) |
| South Portland to Atlanta (Georgia) | 1,019.96 mi (1,641.46 km) |
| South Portland to St. Louis (Missouri) | 1,091.13 mi (1,756.01 km) |
| South Portland to Minneapolis (Minnesota) | 1,136.22 mi (1,828.56 km) |
| South Portland to Boston (Massachusetts) | 99.19 mi (159.62 km) |
| South Portland to Tampa (Florida) | 1,273.99 mi (2,050.29 km) |
| South Portland to Miami (Florida) | 1,353.33 mi (2,177.98 km) |
| South Portland to Dallas (Texas) | 1,610.88 mi (2,592.46 km) |
| South Portland to Houston (Texas) | 1,676.77 mi (2,698.49 km) |
| South Portland to Denver (Colorado) | 1,791.02 mi (2,882.37 km) |
| South Portland to Phoenix (Arizona) | 2,334.26 mi (3,756.64 km) |
| South Portland to Las Vegas (Nevada) | 2,406.52 mi (3,872.92 km) |
| South Portland to Seattle (Washington) | 2,481.83 mi (3,994.11 km) |
| South Portland to Portland (Oregon) | 2,533.75 mi (4,077.67 km) |
| South Portland to Riverside (California) | 2,587.06 mi (4,163.48 km) |
| South Portland to San Diego (California) | 2,611.56 mi (4,202.90 km) |
| South Portland to Los Angeles (California) | 2,631.71 mi (4,235.33 km) |
| South Portland to San Francisco (California) | 2,716.97 mi (4,372.55 km) |
| South Portland to Queens (New York) | 268.05 mi (431.39 km) |
| South Portland to New York (New York) | 275.33 mi (443.10 km) |
| South Portland to Brooklyn (New York) | 278.48 mi (448.17 km) |
| South Portland to Philadelphia (Pennsylvania) | 353.28 mi (568.56 km) |
| South Portland to Baltimore (Maryland) | 443.11 mi (713.12 km) |
| South Portland to Washington (District of Columbia) | 477.90 mi (769.11 km) |
