| Kostinbrod to Knurow | 554.60 mi (892.55 km) |
| Kostinbrod to Kobylka | 664.15 mi (1,068.84 km) |
| Kostinbrod to Kokoszki | 825.42 mi (1,328.39 km) |
| Kostinbrod to Kolbuszowa | 518.17 mi (833.91 km) |
| Kostinbrod to Kolno | 734.32 mi (1,181.78 km) |
| Kostinbrod to Kolo | 682.35 mi (1,098.13 km) |
| Kostinbrod to Kolobrzeg | 858.10 mi (1,380.98 km) |
| Kostinbrod to Koluszki | 637.48 mi (1,025.93 km) |
| Kostinbrod to Komorniki | 719.51 mi (1,157.93 km) |
| Kostinbrod to Konin | 688.92 mi (1,108.71 km) |
| Kostinbrod to Konskie | 593.94 mi (955.86 km) |
| Kostinbrod to Konstancin-Jeziorna | 647.66 mi (1,042.31 km) |
| Kostinbrod to Konstantynow Lodzki | 643.27 mi (1,035.24 km) |
| Kostinbrod to Koronowo | 764.87 mi (1,230.93 km) |
| Kostinbrod to Koscian | 709.28 mi (1,141.47 km) |
