| Duzce to Kamen | 1,337.20 mi (2,152.01 km) |
| Duzce to Kamenz | 1,085.11 mi (1,746.31 km) |
| Duzce to Kamp-Lintfort | 1,379.26 mi (2,219.71 km) |
| Duzce to Kandel | 1,251.76 mi (2,014.51 km) |
| Duzce to Kappeln | 1,362.39 mi (2,192.56 km) |
| Duzce to Karben | 1,255.67 mi (2,020.80 km) |
| Duzce to Karlsdorf-Neuthard | 1,238.20 mi (1,992.69 km) |
| Duzce to Karlsfeld | 1,091.23 mi (1,756.16 km) |
| Duzce to Karlsruhe | 1,241.37 mi (1,997.80 km) |
| Duzce to Kassel | 1,257.80 mi (2,024.23 km) |
| Duzce to Kaufbeuren | 1,120.33 mi (1,803.00 km) |
| Duzce to Kaufering | 1,113.40 mi (1,791.84 km) |
| Duzce to Kaufungen | 1,252.06 mi (2,015.00 km) |
| Duzce to Kehl | 1,257.74 mi (2,024.14 km) |
| Duzce to Kelheim | 1,092.38 mi (1,758.01 km) |
