| Duluth to Kanjiza | 4,822.71 mi (7,761.40 km) |
| Duluth to Kikinda | 4,847.57 mi (7,801.41 km) |
| Duluth to Kladovo | 4,980.76 mi (8,015.76 km) |
| Duluth to Knic | 4,954.80 mi (7,973.97 km) |
| Duluth to Knjazevac | 5,032.91 mi (8,099.68 km) |
| Duluth to Koceljeva | 4,896.20 mi (7,879.67 km) |
| Duluth to Kosjeric | 4,923.95 mi (7,924.34 km) |
| Duluth to Kovacica | 4,890.13 mi (7,869.90 km) |
| Duluth to Kovin | 4,920.01 mi (7,918.00 km) |
| Duluth to Kragujevac | 4,957.11 mi (7,977.70 km) |
| Duluth to Kraljevo | 4,963.79 mi (7,988.45 km) |
| Duluth to Krupanj | 4,886.87 mi (7,864.66 km) |
| Duluth to Krusevac | 4,992.22 mi (8,034.20 km) |
| Duluth to Kucevo | 4,956.63 mi (7,976.92 km) |
| Duluth to Kula | 4,829.61 mi (7,772.51 km) |
