| Civitavecchia to Kalisz | 729.44 mi (1,173.92 km) |
| Civitavecchia to Kamien Pomorski | 831.36 mi (1,337.95 km) |
| Civitavecchia to Kamienna Gora | 632.64 mi (1,018.13 km) |
| Civitavecchia to Karczew | 819.10 mi (1,318.21 km) |
| Civitavecchia to Kartuzy | 894.21 mi (1,439.10 km) |
| Civitavecchia to Katowice | 660.78 mi (1,063.42 km) |
| Civitavecchia to Kedzierzyn-Kozle | 646.35 mi (1,040.20 km) |
| Civitavecchia to Kepno | 698.30 mi (1,123.80 km) |
| Civitavecchia to Ketrzyn | 936.75 mi (1,507.55 km) |
| Civitavecchia to Kety | 645.17 mi (1,038.30 km) |
| Civitavecchia to Kielce | 736.50 mi (1,185.28 km) |
| Civitavecchia to Kielczow | 674.32 mi (1,085.21 km) |
| Civitavecchia to Klobuck | 696.49 mi (1,120.89 km) |
| Civitavecchia to Klodzko | 620.29 mi (998.26 km) |
| Civitavecchia to Kluczbork | 684.73 mi (1,101.97 km) |
