| Rotterdam to Kalisz | 579.03 mi (931.86 km) |
| Rotterdam to Kamien Pomorski | 450.14 mi (724.43 km) |
| Rotterdam to Kamienna Gora | 503.27 mi (809.93 km) |
| Rotterdam to Karczew | 711.03 mi (1,144.28 km) |
| Rotterdam to Kartuzy | 590.96 mi (951.06 km) |
| Rotterdam to Katowice | 639.07 mi (1,028.48 km) |
| Rotterdam to Kedzierzyn-Kozle | 602.82 mi (970.15 km) |
| Rotterdam to Kepno | 579.48 mi (932.58 km) |
| Rotterdam to Ketrzyn | 715.97 mi (1,152.24 km) |
| Rotterdam to Kety | 654.92 mi (1,053.99 km) |
| Rotterdam to Kielce | 697.78 mi (1,122.96 km) |
| Rotterdam to Kielczow | 546.90 mi (880.15 km) |
| Rotterdam to Klobuck | 624.71 mi (1,005.38 km) |
| Rotterdam to Klodzko | 535.53 mi (861.85 km) |
| Rotterdam to Kluczbork | 593.24 mi (954.73 km) |
