| Duluth to Kamen | 4,152.27 mi (6,682.43 km) |
| Duluth to Kamenz | 4,376.87 mi (7,043.88 km) |
| Duluth to Kamp-Lintfort | 4,118.20 mi (6,627.60 km) |
| Duluth to Kandel | 4,280.84 mi (6,889.34 km) |
| Duluth to Kappeln | 4,092.45 mi (6,586.16 km) |
| Duluth to Karben | 4,249.07 mi (6,838.21 km) |
| Duluth to Karlsdorf-Neuthard | 4,290.32 mi (6,904.61 km) |
| Duluth to Karlsfeld | 4,432.39 mi (7,133.25 km) |
| Duluth to Karlsruhe | 4,291.20 mi (6,906.01 km) |
| Duluth to Kassel | 4,225.31 mi (6,799.97 km) |
| Duluth to Kaufbeuren | 4,419.09 mi (7,111.83 km) |
| Duluth to Kaufering | 4,418.65 mi (7,111.13 km) |
| Duluth to Kaufungen | 4,230.84 mi (6,808.88 km) |
| Duluth to Kehl | 4,290.59 mi (6,905.03 km) |
| Duluth to Kelheim | 4,413.39 mi (7,102.66 km) |
