| Mercer Island to Potenza Picena | 5,602.91 mi (9,017.01 km) |
| Mercer Island to Pozzallo | 6,038.65 mi (9,718.27 km) |
| Mercer Island to Pozzuoli | 5,770.07 mi (9,286.03 km) |
| Mercer Island to Prato | 5,510.47 mi (8,868.25 km) |
| Mercer Island to Preganziol | 5,434.87 mi (8,746.58 km) |
| Mercer Island to Priolo Gargallo | 6,020.38 mi (9,688.86 km) |
| Mercer Island to Priverno | 5,707.78 mi (9,185.78 km) |
| Mercer Island to Pulsano | 5,874.01 mi (9,453.31 km) |
| Mercer Island to Putignano | 5,839.67 mi (9,398.04 km) |
| Mercer Island to Qualiano | 5,765.03 mi (9,277.93 km) |
| Mercer Island to Quarrata | 5,509.65 mi (8,866.92 km) |
| Mercer Island to Quartu Sant'Elena | 5,737.46 mi (9,233.54 km) |
| Mercer Island to Quartucciu | 5,736.56 mi (9,232.09 km) |
| Mercer Island to Quattro Castella | 5,449.86 mi (8,770.70 km) |
| Mercer Island to Quinto di Treviso | 5,430.28 mi (8,739.19 km) |
