| Duluth to Kelkheim (Taunus) | 4,242.47 mi (6,827.60 km) |
| Duluth to Kelsterbach | 4,248.61 mi (6,837.48 km) |
| Duluth to Kemberg | 4,306.16 mi (6,930.10 km) |
| Duluth to Kempen | 4,120.09 mi (6,630.64 km) |
| Duluth to Kempten | 4,415.30 mi (7,105.74 km) |
| Duluth to Kenzingen | 4,305.66 mi (6,929.28 km) |
| Duluth to Kerpen | 4,150.72 mi (6,679.93 km) |
| Duluth to Ketsch | 4,279.71 mi (6,887.52 km) |
| Duluth to Kevelaer | 4,105.07 mi (6,606.47 km) |
| Duluth to Kiel | 4,113.63 mi (6,620.25 km) |
| Duluth to Kierspe | 4,168.87 mi (6,709.15 km) |
| Duluth to Kirchhain | 4,228.11 mi (6,804.49 km) |
| Duluth to Kirchheim bei Munchen | 4,444.09 mi (7,152.07 km) |
| Duluth to Kirchheim unter Teck | 4,343.56 mi (6,990.28 km) |
| Duluth to Kirchhundem | 4,187.69 mi (6,739.44 km) |
