| Mercer Island to Paimio | 4,719.31 mi (7,594.99 km) |
| Mercer Island to Pargas | 4,722.99 mi (7,600.92 km) |
| Mercer Island to Pedersore | 4,517.95 mi (7,270.94 km) |
| Mercer Island to Pieksamaki | 4,659.88 mi (7,499.35 km) |
| Mercer Island to Pirkkala | 4,668.51 mi (7,513.25 km) |
| Mercer Island to Pori | 4,641.85 mi (7,470.34 km) |
| Mercer Island to Porvoo | 4,763.34 mi (7,665.85 km) |
| Mercer Island to Poytya | 4,701.15 mi (7,565.77 km) |
| Mercer Island to Raahe | 4,476.20 mi (7,203.75 km) |
| Mercer Island to Raisio | 4,709.47 mi (7,579.15 km) |
| Mercer Island to Raseborg | 4,759.59 mi (7,659.82 km) |
| Mercer Island to Rauma | 4,659.38 mi (7,498.55 km) |
| Mercer Island to Riihimaki | 4,729.90 mi (7,612.04 km) |
| Mercer Island to Rovaniemi | 4,376.08 mi (7,042.63 km) |
| Mercer Island to Saaminki | 4,708.16 mi (7,577.05 km) |
