| Delfzijl to Kalisz | 480.98 mi (774.07 km) |
| Delfzijl to Kamien Pomorski | 324.52 mi (522.27 km) |
| Delfzijl to Kamienna Gora | 425.09 mi (684.11 km) |
| Delfzijl to Karczew | 605.15 mi (973.89 km) |
| Delfzijl to Kartuzy | 464.71 mi (747.88 km) |
| Delfzijl to Katowice | 557.86 mi (897.78 km) |
| Delfzijl to Kedzierzyn-Kozle | 523.18 mi (841.98 km) |
| Delfzijl to Kepno | 487.91 mi (785.21 km) |
| Delfzijl to Ketrzyn | 592.85 mi (954.09 km) |
| Delfzijl to Kety | 577.57 mi (929.51 km) |
| Delfzijl to Kielce | 605.33 mi (974.18 km) |
| Delfzijl to Kielczow | 459.37 mi (739.29 km) |
| Delfzijl to Klobuck | 535.62 mi (861.99 km) |
| Delfzijl to Klodzko | 460.43 mi (740.99 km) |
| Delfzijl to Kluczbork | 505.10 mi (812.88 km) |
