| South Portland to Pandino | 3,764.34 mi (6,058.12 km) |
| South Portland to Paola | 4,265.48 mi (6,864.63 km) |
| South Portland to Parabiago | 3,733.50 mi (6,008.48 km) |
| South Portland to Parabita | 4,329.51 mi (6,967.68 km) |
| South Portland to Parma | 3,817.66 mi (6,143.93 km) |
| South Portland to Partanna | 4,190.13 mi (6,743.36 km) |
| South Portland to Partinico | 4,187.81 mi (6,739.63 km) |
| South Portland to Pasian di Prato | 3,895.26 mi (6,268.82 km) |
| South Portland to Paterno | 4,286.79 mi (6,898.92 km) |
| South Portland to Patti | 4,266.92 mi (6,866.94 km) |
| South Portland to Paullo | 3,757.41 mi (6,046.97 km) |
| South Portland to Pavia | 3,754.70 mi (6,042.60 km) |
| South Portland to Pavullo nel Frignano | 3,855.36 mi (6,204.61 km) |
| South Portland to Pedara | 4,292.24 mi (6,907.70 km) |
| South Portland to Pellezzano | 4,156.90 mi (6,689.89 km) |
