| South Portland to Pachino | 4,329.85 mi (6,968.21 km) |
| South Portland to Paderno Dugnano | 3,742.46 mi (6,022.90 km) |
| South Portland to Padova | 3,862.44 mi (6,216.00 km) |
| South Portland to Paese | 3,864.86 mi (6,219.89 km) |
| South Portland to Palagiano | 4,261.63 mi (6,858.44 km) |
| South Portland to Palagonia | 4,289.39 mi (6,903.10 km) |
| South Portland to Palazzolo Acreide | 4,307.11 mi (6,931.63 km) |
| South Portland to Palermo | 4,196.22 mi (6,753.16 km) |
| South Portland to Palestrina | 4,034.21 mi (6,492.43 km) |
| South Portland to Pallazzolo sull'Oglio | 3,771.78 mi (6,070.10 km) |
| South Portland to Palma Campania | 4,142.36 mi (6,666.48 km) |
| South Portland to Palma di Montechiaro | 4,250.70 mi (6,840.84 km) |
| South Portland to Palmi | 4,297.13 mi (6,915.56 km) |
| South Portland to Palo del Colle | 4,228.26 mi (6,804.72 km) |
| South Portland to Palombara Sabina | 4,019.79 mi (6,469.23 km) |
