| Formia to Kalisz | 754.91 mi (1,214.90 km) |
| Formia to Kamien Pomorski | 879.33 mi (1,415.15 km) |
| Formia to Kamienna Gora | 667.58 mi (1,074.36 km) |
| Formia to Karczew | 829.27 mi (1,334.58 km) |
| Formia to Kartuzy | 927.04 mi (1,491.92 km) |
| Formia to Katowice | 673.66 mi (1,084.15 km) |
| Formia to Kedzierzyn-Kozle | 664.95 mi (1,070.14 km) |
| Formia to Kepno | 722.48 mi (1,162.72 km) |
| Formia to Ketrzyn | 955.04 mi (1,536.99 km) |
| Formia to Kety | 654.63 mi (1,053.53 km) |
| Formia to Kielce | 743.36 mi (1,196.31 km) |
| Formia to Kielczow | 702.94 mi (1,131.27 km) |
| Formia to Klobuck | 713.29 mi (1,147.93 km) |
| Formia to Klodzko | 649.81 mi (1,045.77 km) |
| Formia to Kluczbork | 706.21 mi (1,136.53 km) |
