| Castelfidardo to Kamen | 624.50 mi (1,005.04 km) |
| Castelfidardo to Kamenz | 539.72 mi (868.59 km) |
| Castelfidardo to Kamp-Lintfort | 643.91 mi (1,036.28 km) |
| Castelfidardo to Kandel | 464.41 mi (747.39 km) |
| Castelfidardo to Kappeln | 790.50 mi (1,272.19 km) |
| Castelfidardo to Karben | 519.01 mi (835.27 km) |
| Castelfidardo to Karlsdorf-Neuthard | 458.68 mi (738.18 km) |
| Castelfidardo to Karlsfeld | 343.25 mi (552.40 km) |
| Castelfidardo to Karlsruhe | 454.92 mi (732.12 km) |
| Castelfidardo to Kassel | 574.36 mi (924.35 km) |
| Castelfidardo to Kaufbeuren | 336.11 mi (540.91 km) |
| Castelfidardo to Kaufering | 343.93 mi (553.49 km) |
| Castelfidardo to Kaufungen | 570.29 mi (917.79 km) |
| Castelfidardo to Kehl | 446.79 mi (719.04 km) |
| Castelfidardo to Kelheim | 385.17 mi (619.88 km) |
