| Castelfidardo to Kalisz | 610.39 mi (982.32 km) |
| Castelfidardo to Kamien Pomorski | 728.00 mi (1,171.60 km) |
| Castelfidardo to Kamienna Gora | 518.96 mi (835.19 km) |
| Castelfidardo to Karczew | 693.82 mi (1,116.60 km) |
| Castelfidardo to Kartuzy | 779.73 mi (1,254.86 km) |
| Castelfidardo to Katowice | 536.02 mi (862.64 km) |
| Castelfidardo to Kedzierzyn-Kozle | 523.77 mi (842.93 km) |
| Castelfidardo to Kepno | 578.50 mi (931.00 km) |
| Castelfidardo to Ketrzyn | 814.72 mi (1,311.17 km) |
| Castelfidardo to Kety | 519.25 mi (835.65 km) |
| Castelfidardo to Kielce | 610.06 mi (981.80 km) |
| Castelfidardo to Kielczow | 556.84 mi (896.15 km) |
| Castelfidardo to Klobuck | 573.32 mi (922.66 km) |
| Castelfidardo to Klodzko | 503.16 mi (809.76 km) |
| Castelfidardo to Kluczbork | 563.57 mi (906.97 km) |
