| Bolsward to Koscielisko | 672.84 mi (1,082.83 km) |
| Bolsward to Koscierzyna | 515.00 mi (828.82 km) |
| Bolsward to Kostrzyn | 490.72 mi (789.74 km) |
| Bolsward to Kostrzyn nad Odra | 382.46 mi (615.51 km) |
| Bolsward to Koszalin | 442.84 mi (712.69 km) |
| Bolsward to Kowary | 465.63 mi (749.36 km) |
| Bolsward to Kozienice | 683.30 mi (1,099.66 km) |
| Bolsward to Kozuchow | 433.55 mi (697.74 km) |
| Bolsward to Kozy | 625.22 mi (1,006.20 km) |
| Bolsward to Krakow | 651.24 mi (1,048.08 km) |
| Bolsward to Krapkowice | 560.31 mi (901.74 km) |
| Bolsward to Krasnik | 723.42 mi (1,164.23 km) |
| Bolsward to Krasnystaw | 762.00 mi (1,226.33 km) |
| Bolsward to Krosno | 735.55 mi (1,183.75 km) |
| Bolsward to Krosno Odrzanskie | 407.90 mi (656.45 km) |
