| Kilkis to Kalisz | 778.18 mi (1,252.36 km) |
| Kilkis to Kamien Pomorski | 972.15 mi (1,564.53 km) |
| Kilkis to Kamienna Gora | 751.89 mi (1,210.05 km) |
| Kilkis to Karczew | 770.72 mi (1,240.36 km) |
| Kilkis to Kartuzy | 947.09 mi (1,524.19 km) |
| Kilkis to Katowice | 667.61 mi (1,074.42 km) |
| Kilkis to Kedzierzyn-Kozle | 684.93 mi (1,102.29 km) |
| Kilkis to Kepno | 748.66 mi (1,204.85 km) |
| Kilkis to Ketrzyn | 907.71 mi (1,460.82 km) |
| Kilkis to Kety | 640.78 mi (1,031.24 km) |
| Kilkis to Kielce | 691.68 mi (1,113.16 km) |
| Kilkis to Kielczow | 752.36 mi (1,210.80 km) |
| Kilkis to Klobuck | 711.60 mi (1,145.21 km) |
| Kilkis to Klodzko | 717.91 mi (1,155.36 km) |
| Kilkis to Kluczbork | 725.73 mi (1,167.95 km) |
