| South Portland to Potenza Picena | 4,008.60 mi (6,451.22 km) |
| South Portland to Pozzallo | 4,317.90 mi (6,948.99 km) |
| South Portland to Pozzuoli | 4,125.39 mi (6,639.17 km) |
| South Portland to Prato | 3,882.42 mi (6,248.15 km) |
| South Portland to Preganziol | 3,870.65 mi (6,229.21 km) |
| South Portland to Priolo Gargallo | 4,315.48 mi (6,945.09 km) |
| South Portland to Priverno | 4,060.18 mi (6,534.22 km) |
| South Portland to Pulsano | 4,282.47 mi (6,891.97 km) |
| South Portland to Putignano | 4,254.00 mi (6,846.16 km) |
| South Portland to Qualiano | 4,123.03 mi (6,635.38 km) |
| South Portland to Quarrata | 3,878.73 mi (6,242.21 km) |
| South Portland to Quartu Sant'Elena | 3,965.32 mi (6,381.57 km) |
| South Portland to Quartucciu | 3,964.55 mi (6,380.32 km) |
| South Portland to Quattro Castella | 3,829.34 mi (6,162.73 km) |
| South Portland to Quinto di Treviso | 3,866.13 mi (6,221.94 km) |
