| Ciechanow to Koscielisko | 249.72 mi (401.88 km) |
| Ciechanow to Koscierzyna | 139.00 mi (223.70 km) |
| Ciechanow to Kostrzyn | 146.71 mi (236.11 km) |
| Ciechanow to Kostrzyn nad Odra | 250.33 mi (402.87 km) |
| Ciechanow to Koszalin | 204.60 mi (329.27 km) |
| Ciechanow to Kowary | 250.04 mi (402.41 km) |
| Ciechanow to Kozienice | 97.07 mi (156.23 km) |
| Ciechanow to Kozuchow | 226.14 mi (363.93 km) |
| Ciechanow to Kozy | 216.92 mi (349.10 km) |
| Ciechanow to Krakow | 196.13 mi (315.64 km) |
| Ciechanow to Krapkowice | 201.35 mi (324.05 km) |
| Ciechanow to Krasnik | 150.69 mi (242.52 km) |
| Ciechanow to Krasnystaw | 169.51 mi (272.79 km) |
| Ciechanow to Krosno | 225.18 mi (362.39 km) |
| Ciechanow to Krosno Odrzanskie | 239.94 mi (386.15 km) |
