| Duluth to Karis | 4,223.89 mi (6,797.69 km) |
| Duluth to Karkkila | 4,214.49 mi (6,782.57 km) |
| Duluth to Kauhajoki | 4,074.75 mi (6,557.67 km) |
| Duluth to Kauhava | 4,063.39 mi (6,539.40 km) |
| Duluth to Kauniainen | 4,242.47 mi (6,827.59 km) |
| Duluth to Kemi | 3,970.33 mi (6,389.62 km) |
| Duluth to Kemijarvi | 3,980.21 mi (6,405.54 km) |
| Duluth to Kempele | 4,029.46 mi (6,484.78 km) |
| Duluth to Kerava | 4,242.08 mi (6,826.96 km) |
| Duluth to Keuruu | 4,141.27 mi (6,664.73 km) |
| Duluth to Kiiminki | 4,024.29 mi (6,476.47 km) |
| Duluth to Kirkkonummi | 4,239.84 mi (6,823.36 km) |
| Duluth to Kitee | 4,268.54 mi (6,869.55 km) |
| Duluth to Kiuruvesi | 4,114.76 mi (6,622.07 km) |
| Duluth to Kivisto | 4,239.83 mi (6,823.35 km) |
