| South Portland to Excelsior Springs (Missouri) | 1,269.82 mi (2,043.57 km) |
| South Portland to Exeter (California) | 2,598.05 mi (4,181.15 km) |
| South Portland to Fair Lawn (New Jersey) | 270.07 mi (434.63 km) |
| South Portland to Fair Oaks (California) | 2,632.05 mi (4,235.88 km) |
| South Portland to Fair Oaks (Virginia) | 492.90 mi (793.25 km) |
| South Portland to Fairbanks (Alaska) | 3,193.72 mi (5,139.79 km) |
| South Portland to Fairborn (Ohio) | 754.34 mi (1,214.00 km) |
| South Portland to Fairburn (Georgia) | 1,037.33 mi (1,669.43 km) |
| South Portland to Fairfax (Virginia) | 491.22 mi (790.54 km) |
| South Portland to Fairfax Station (Virginia) | 495.46 mi (797.37 km) |
| South Portland to Fairfield (California) | 2,681.90 mi (4,316.10 km) |
| South Portland to Fairfield (Ohio) | 793.99 mi (1,277.80 km) |
| South Portland to Fairhope (Alabama) | 1,321.76 mi (2,127.17 km) |
| South Portland to Fairland (Maryland) | 466.92 mi (751.44 km) |
| South Portland to Fairmont (Minnesota) | 1,204.43 mi (1,938.34 km) |
