| South Portland to Pombal | 3,113.87 mi (5,011.29 km) |
| South Portland to Ponta Delgada | 2,344.11 mi (3,772.48 km) |
| South Portland to Ponta do Sol | 2,934.37 mi (4,722.40 km) |
| South Portland to Ponte da Barca | 3,068.79 mi (4,938.75 km) |
| South Portland to Ponte de Lima | 3,062.69 mi (4,928.92 km) |
| South Portland to Ponte de Sor | 3,163.42 mi (5,091.04 km) |
| South Portland to Portalegre | 3,190.02 mi (5,133.84 km) |
| South Portland to Portimao | 3,205.63 mi (5,158.97 km) |
| South Portland to Porto | 3,077.38 mi (4,952.56 km) |
| South Portland to Porto de Mos | 3,114.34 mi (5,012.04 km) |
| South Portland to Povoa de Lanhoso | 3,082.49 mi (4,960.79 km) |
| South Portland to Povoa de Santa Iria | 3,124.98 mi (5,029.18 km) |
| South Portland to Povoa de Varzim | 3,064.55 mi (4,931.92 km) |
| South Portland to Praia da Vitoria | 2,247.18 mi (3,616.49 km) |
| South Portland to Praia do Carvoeiro | 3,209.98 mi (5,165.97 km) |
