| Bolsward to Knurow | 596.20 mi (959.49 km) |
| Bolsward to Kobylka | 656.60 mi (1,056.69 km) |
| Bolsward to Kokoszki | 536.53 mi (863.46 km) |
| Bolsward to Kolbuszowa | 720.73 mi (1,159.90 km) |
| Bolsward to Kolno | 677.11 mi (1,089.70 km) |
| Bolsward to Kolo | 551.80 mi (888.04 km) |
| Bolsward to Kolobrzeg | 418.26 mi (673.12 km) |
| Bolsward to Koluszki | 607.12 mi (977.07 km) |
| Bolsward to Komorniki | 470.67 mi (757.47 km) |
| Bolsward to Konin | 536.36 mi (863.18 km) |
| Bolsward to Konskie | 643.02 mi (1,034.84 km) |
| Bolsward to Konstancin-Jeziorna | 656.54 mi (1,056.60 km) |
| Bolsward to Konstantynow Lodzki | 587.78 mi (945.94 km) |
| Bolsward to Koronowo | 512.96 mi (825.53 km) |
| Bolsward to Koscian | 471.21 mi (758.34 km) |
