| Washington to Karis | 993.66 mi (1,599.14 km) |
| Washington to Karkkila | 1,018.11 mi (1,638.50 km) |
| Washington to Kauhajoki | 989.41 mi (1,592.30 km) |
| Washington to Kauhava | 1,032.37 mi (1,661.44 km) |
| Washington to Kauniainen | 1,031.65 mi (1,660.28 km) |
| Washington to Kemi | 1,149.98 mi (1,850.72 km) |
| Washington to Kemijarvi | 1,252.06 mi (2,015.00 km) |
| Washington to Kempele | 1,149.45 mi (1,849.85 km) |
| Washington to Kerava | 1,046.09 mi (1,683.51 km) |
| Washington to Keuruu | 1,062.38 mi (1,709.73 km) |
| Washington to Kiiminki | 1,162.81 mi (1,871.36 km) |
| Washington to Kirkkonummi | 1,019.81 mi (1,641.22 km) |
| Washington to Kitee | 1,230.39 mi (1,980.12 km) |
| Washington to Kiuruvesi | 1,148.63 mi (1,848.54 km) |
| Washington to Kivisto | 1,036.64 mi (1,668.30 km) |
