| Mercer Island to Ovidiu | 5,847.83 mi (9,411.17 km) |
| Mercer Island to Pantelimon | 5,796.16 mi (9,328.01 km) |
| Mercer Island to Pascani | 5,624.19 mi (9,051.27 km) |
| Mercer Island to Pechea | 5,746.63 mi (9,248.30 km) |
| Mercer Island to Pecica | 5,591.18 mi (8,998.14 km) |
| Mercer Island to Petrila | 5,681.70 mi (9,143.82 km) |
| Mercer Island to Petrosani | 5,683.24 mi (9,146.30 km) |
| Mercer Island to Piatra Neamt | 5,639.07 mi (9,075.21 km) |
| Mercer Island to Pitesti | 5,746.00 mi (9,247.29 km) |
| Mercer Island to Ploiesti | 5,761.34 mi (9,271.99 km) |
| Mercer Island to Podu Iloaiei | 5,635.15 mi (9,068.89 km) |
| Mercer Island to Poiana Mare | 5,772.03 mi (9,289.19 km) |
| Mercer Island to Poienile de sub Munte | 5,548.73 mi (8,929.83 km) |
| Mercer Island to Popesti-Leordeni | 5,800.15 mi (9,334.44 km) |
| Mercer Island to Pucioasa | 5,742.41 mi (9,241.51 km) |
