| Bilthoven to Kalisz | 548.52 mi (882.76 km) |
| Bilthoven to Kamien Pomorski | 417.12 mi (671.29 km) |
| Bilthoven to Kamienna Gora | 475.16 mi (764.69 km) |
| Bilthoven to Karczew | 679.80 mi (1,094.03 km) |
| Bilthoven to Kartuzy | 557.97 mi (897.97 km) |
| Bilthoven to Katowice | 610.94 mi (983.21 km) |
| Bilthoven to Kedzierzyn-Kozle | 574.83 mi (925.10 km) |
| Bilthoven to Kepno | 549.78 mi (884.79 km) |
| Bilthoven to Ketrzyn | 683.18 mi (1,099.48 km) |
| Bilthoven to Kety | 627.40 mi (1,009.70 km) |
| Bilthoven to Kielce | 668.19 mi (1,075.34 km) |
| Bilthoven to Kielczow | 517.65 mi (833.08 km) |
| Bilthoven to Klobuck | 595.44 mi (958.27 km) |
| Bilthoven to Klodzko | 507.99 mi (817.53 km) |
| Bilthoven to Kluczbork | 564.03 mi (907.71 km) |
