| Balassagyarmat to Koscielisko | 87.47 mi (140.76 km) |
| Balassagyarmat to Koscierzyna | 421.03 mi (677.59 km) |
| Balassagyarmat to Kostrzyn | 311.89 mi (501.93 km) |
| Balassagyarmat to Kostrzyn nad Odra | 372.31 mi (599.17 km) |
| Balassagyarmat to Koszalin | 443.82 mi (714.25 km) |
| Balassagyarmat to Kowary | 243.50 mi (391.88 km) |
| Balassagyarmat to Kozienice | 262.45 mi (422.37 km) |
| Balassagyarmat to Kozuchow | 302.17 mi (486.30 km) |
| Balassagyarmat to Kozy | 123.72 mi (199.11 km) |
| Balassagyarmat to Krakow | 140.05 mi (225.40 km) |
| Balassagyarmat to Krapkowice | 175.51 mi (282.46 km) |
| Balassagyarmat to Krasnik | 235.86 mi (379.59 km) |
| Balassagyarmat to Krasnystaw | 265.81 mi (427.78 km) |
| Balassagyarmat to Krosno | 157.29 mi (253.13 km) |
| Balassagyarmat to Krosno Odrzanskie | 330.45 mi (531.81 km) |
