| South Portland to Alachua (Florida) | 1,168.69 mi (1,880.82 km) |
| South Portland to Alafaya (Florida) | 1,205.51 mi (1,940.08 km) |
| South Portland to Alameda (California) | 2,707.88 mi (4,357.91 km) |
| South Portland to Alamo (California) | 2,692.78 mi (4,333.60 km) |
| South Portland to Alamo (Texas) | 1,968.80 mi (3,168.48 km) |
| South Portland to Alamogordo (New Mexico) | 2,053.88 mi (3,305.39 km) |
| South Portland to Albany (California) | 2,705.94 mi (4,354.79 km) |
| South Portland to Albany (Georgia) | 1,124.45 mi (1,809.63 km) |
| South Portland to Albany (New York) | 189.02 mi (304.19 km) |
| South Portland to Albany (Oregon) | 2,572.96 mi (4,140.78 km) |
| South Portland to Albemarle (North Carolina) | 776.92 mi (1,250.33 km) |
| South Portland to Albert Lea (Minnesota) | 1,149.99 mi (1,850.74 km) |
| South Portland to Albertville (Alabama) | 1,069.66 mi (1,721.45 km) |
| South Portland to Albuquerque (New Mexico) | 2,011.33 mi (3,236.93 km) |
| South Portland to Alcoa (Tennessee) | 904.24 mi (1,455.24 km) |
