| Duluth to Kocaali | 5,431.83 mi (8,741.69 km) |
| Duluth to Kocaeli | 5,419.44 mi (8,721.75 km) |
| Duluth to Konak | 5,459.72 mi (8,786.56 km) |
| Duluth to Konakli | 5,715.93 mi (9,198.90 km) |
| Duluth to Konya | 5,661.95 mi (9,112.03 km) |
| Duluth to Koprukoy | 5,807.90 mi (9,346.91 km) |
| Duluth to Korfez | 5,412.57 mi (8,710.69 km) |
| Duluth to Korkut | 5,879.82 mi (9,462.65 km) |
| Duluth to Kose | 5,734.68 mi (9,229.07 km) |
| Duluth to Kovancilar | 5,828.86 mi (9,380.65 km) |
| Duluth to Koyulhisar | 5,678.94 mi (9,139.37 km) |
| Duluth to Kozan | 5,786.81 mi (9,312.96 km) |
| Duluth to Kozlu | 5,437.82 mi (8,751.32 km) |
| Duluth to Kozluk | 5,904.63 mi (9,502.59 km) |
| Duluth to Kucuk Dalyan | 5,869.43 mi (9,445.93 km) |
