| Mercer Island to Klaukkala | 4,751.97 mi (7,647.56 km) |
| Mercer Island to Kokkola | 4,512.76 mi (7,262.59 km) |
| Mercer Island to Kontiolahti | 4,660.69 mi (7,500.66 km) |
| Mercer Island to Korsholm | 4,538.69 mi (7,304.31 km) |
| Mercer Island to Kotka | 4,775.15 mi (7,684.86 km) |
| Mercer Island to Kouvola | 4,746.41 mi (7,638.61 km) |
| Mercer Island to Kuhmo | 4,569.07 mi (7,353.21 km) |
| Mercer Island to Kuopio | 4,628.26 mi (7,448.46 km) |
| Mercer Island to Kurikka | 4,579.41 mi (7,369.85 km) |
| Mercer Island to Kuusamo | 4,446.61 mi (7,156.13 km) |
| Mercer Island to Kuusankoski | 4,742.82 mi (7,632.84 km) |
| Mercer Island to Lahti | 4,725.61 mi (7,605.13 km) |
| Mercer Island to Laitila | 4,677.86 mi (7,528.28 km) |
| Mercer Island to Lapinlahti | 4,594.41 mi (7,393.99 km) |
| Mercer Island to Lappeenranta | 4,751.77 mi (7,647.24 km) |
