| Duluth to Kidricevo | 4,665.44 mi (7,508.31 km) |
| Duluth to Kobarid | 4,597.77 mi (7,399.39 km) |
| Duluth to Kobilje | 4,671.78 mi (7,518.50 km) |
| Duluth to Kocevje | 4,670.90 mi (7,517.09 km) |
| Duluth to Komen | 4,624.44 mi (7,442.31 km) |
| Duluth to Komenda | 4,632.52 mi (7,455.33 km) |
| Duluth to Koper | 4,636.67 mi (7,462.00 km) |
| Duluth to Kostanjevica na Krki | 4,680.25 mi (7,532.13 km) |
| Duluth to Kostel | 4,679.18 mi (7,530.42 km) |
| Duluth to Kozje | 4,673.64 mi (7,521.50 km) |
| Duluth to Kranj | 4,625.39 mi (7,443.85 km) |
| Duluth to Kranjska Gora | 4,593.44 mi (7,392.43 km) |
| Duluth to Krizevci | 4,669.18 mi (7,514.33 km) |
| Duluth to Krsko | 4,677.15 mi (7,527.14 km) |
| Duluth to Kuzma | 4,654.04 mi (7,489.95 km) |
