| South Portland to Palencia | 3,243.77 mi (5,220.34 km) |
| South Portland to Palleja | 3,562.66 mi (5,733.55 km) |
| South Portland to Palma | 3,654.99 mi (5,882.14 km) |
| South Portland to Palma del Rio | 3,344.08 mi (5,381.78 km) |
| South Portland to Palomares del Rio | 3,319.97 mi (5,342.97 km) |
| South Portland to Palos de la Frontera | 3,282.18 mi (5,282.16 km) |
| South Portland to Pamplona | 3,352.44 mi (5,395.23 km) |
| South Portland to Paracuellos de Jarama | 3,335.88 mi (5,368.58 km) |
| South Portland to Parla | 3,333.65 mi (5,364.99 km) |
| South Portland to Paterna | 3,513.56 mi (5,654.52 km) |
| South Portland to Peligros | 3,438.83 mi (5,534.27 km) |
| South Portland to Penarroya-Pueblonuevo | 3,325.13 mi (5,351.28 km) |
| South Portland to Petrel | 3,531.28 mi (5,683.04 km) |
| South Portland to Picana | 3,516.04 mi (5,658.52 km) |
| South Portland to Picasent | 3,517.37 mi (5,660.67 km) |
