| Balassagyarmat to Kalisz | 259.85 mi (418.19 km) |
| Balassagyarmat to Kamien Pomorski | 451.78 mi (727.08 km) |
| Balassagyarmat to Kamienna Gora | 237.42 mi (382.10 km) |
| Balassagyarmat to Karczew | 289.94 mi (466.61 km) |
| Balassagyarmat to Kartuzy | 434.73 mi (699.63 km) |
| Balassagyarmat to Katowice | 151.70 mi (244.14 km) |
| Balassagyarmat to Kedzierzyn-Kozle | 164.52 mi (264.77 km) |
| Balassagyarmat to Kepno | 229.04 mi (368.60 km) |
| Balassagyarmat to Ketrzyn | 424.63 mi (683.37 km) |
| Balassagyarmat to Kety | 125.90 mi (202.61 km) |
| Balassagyarmat to Kielce | 202.29 mi (325.55 km) |
| Balassagyarmat to Kielczow | 231.78 mi (373.01 km) |
| Balassagyarmat to Klobuck | 196.76 mi (316.66 km) |
| Balassagyarmat to Klodzko | 201.68 mi (324.58 km) |
| Balassagyarmat to Kluczbork | 206.42 mi (332.21 km) |
