| Isernia to Koscielisko | 596.63 mi (960.19 km) |
| Isernia to Koscierzyna | 881.55 mi (1,418.72 km) |
| Isernia to Kostrzyn | 758.57 mi (1,220.80 km) |
| Isernia to Kostrzyn nad Odra | 759.29 mi (1,221.95 km) |
| Isernia to Koszalin | 874.94 mi (1,408.08 km) |
| Isernia to Kowary | 639.41 mi (1,029.03 km) |
| Isernia to Kozienice | 771.45 mi (1,241.52 km) |
| Isernia to Kozuchow | 704.03 mi (1,133.03 km) |
| Isernia to Kozy | 617.80 mi (994.25 km) |
| Isernia to Krakow | 645.13 mi (1,038.23 km) |
| Isernia to Krapkowice | 637.78 mi (1,026.40 km) |
| Isernia to Krasnik | 746.89 mi (1,202.01 km) |
| Isernia to Krasnystaw | 774.88 mi (1,247.05 km) |
| Isernia to Krosno | 665.07 mi (1,070.33 km) |
| Isernia to Krosno Odrzanskie | 721.81 mi (1,161.64 km) |
