| Mercer Island to Karis | 4,756.76 mi (7,655.27 km) |
| Mercer Island to Karkkila | 4,735.17 mi (7,620.51 km) |
| Mercer Island to Kauhajoki | 4,587.94 mi (7,383.58 km) |
| Mercer Island to Kauhava | 4,558.06 mi (7,335.49 km) |
| Mercer Island to Kauniainen | 4,762.25 mi (7,664.10 km) |
| Mercer Island to Kemi | 4,411.03 mi (7,098.86 km) |
| Mercer Island to Kemijarvi | 4,380.53 mi (7,049.78 km) |
| Mercer Island to Kempele | 4,474.09 mi (7,200.36 km) |
| Mercer Island to Kerava | 4,755.53 mi (7,653.28 km) |
| Mercer Island to Keuruu | 4,632.45 mi (7,455.21 km) |
| Mercer Island to Kiiminki | 4,463.18 mi (7,182.79 km) |
| Mercer Island to Kirkkonummi | 4,764.29 mi (7,667.38 km) |
| Mercer Island to Kitee | 4,707.10 mi (7,575.34 km) |
| Mercer Island to Kiuruvesi | 4,567.37 mi (7,350.48 km) |
| Mercer Island to Kivisto | 4,756.97 mi (7,655.61 km) |
