| Mercer Island to Pachino | 6,045.92 mi (9,729.97 km) |
| Mercer Island to Paderno Dugnano | 5,361.76 mi (8,628.92 km) |
| Mercer Island to Padova | 5,438.03 mi (8,751.67 km) |
| Mercer Island to Paese | 5,428.88 mi (8,736.94 km) |
| Mercer Island to Palagiano | 5,854.66 mi (9,422.16 km) |
| Mercer Island to Palagonia | 5,999.21 mi (9,654.80 km) |
| Mercer Island to Palazzolo Acreide | 6,019.74 mi (9,687.84 km) |
| Mercer Island to Palermo | 5,915.96 mi (9,520.81 km) |
| Mercer Island to Palestrina | 5,678.54 mi (9,138.72 km) |
| Mercer Island to Pallazzolo sull'Oglio | 5,377.89 mi (8,654.87 km) |
| Mercer Island to Palma Campania | 5,777.84 mi (9,298.54 km) |
| Mercer Island to Palma di Montechiaro | 5,982.57 mi (9,628.02 km) |
| Mercer Island to Palmi | 5,963.07 mi (9,596.63 km) |
| Mercer Island to Palo del Colle | 5,817.64 mi (9,362.59 km) |
| Mercer Island to Palombara Sabina | 5,661.10 mi (9,110.67 km) |
