| Duluth to Koscian | 4,417.86 mi (7,109.86 km) |
| Duluth to Koscielisko | 4,654.81 mi (7,491.20 km) |
| Duluth to Koscierzyna | 4,360.46 mi (7,017.49 km) |
| Duluth to Kostrzyn | 4,420.40 mi (7,113.95 km) |
| Duluth to Kostrzyn nad Odra | 4,332.90 mi (6,973.14 km) |
| Duluth to Koszalin | 4,303.52 mi (6,925.85 km) |
| Duluth to Kowary | 4,454.23 mi (7,168.39 km) |
| Duluth to Kozienice | 4,590.01 mi (7,386.91 km) |
| Duluth to Kozuchow | 4,401.30 mi (7,083.21 km) |
| Duluth to Kozy | 4,602.98 mi (7,407.78 km) |
| Duluth to Krakow | 4,617.51 mi (7,431.17 km) |
| Duluth to Krapkowice | 4,536.71 mi (7,301.12 km) |
| Duluth to Krasnik | 4,642.89 mi (7,472.01 km) |
| Duluth to Krasnystaw | 4,667.82 mi (7,512.12 km) |
| Duluth to Krosno | 4,691.73 mi (7,550.62 km) |
