| Isernia to Knurow | 632.04 mi (1,017.18 km) |
| Isernia to Kobylka | 809.88 mi (1,303.38 km) |
| Isernia to Kokoszki | 902.29 mi (1,452.09 km) |
| Isernia to Kolbuszowa | 697.63 mi (1,122.72 km) |
| Isernia to Kolno | 890.14 mi (1,432.55 km) |
| Isernia to Kolo | 760.64 mi (1,224.13 km) |
| Isernia to Kolobrzeg | 870.89 mi (1,401.57 km) |
| Isernia to Koluszki | 748.47 mi (1,204.54 km) |
| Isernia to Komorniki | 745.77 mi (1,200.21 km) |
| Isernia to Konin | 757.27 mi (1,218.72 km) |
| Isernia to Konskie | 724.85 mi (1,166.53 km) |
| Isernia to Konstancin-Jeziorna | 792.86 mi (1,275.98 km) |
| Isernia to Konstantynow Lodzki | 741.06 mi (1,192.62 km) |
| Isernia to Koronowo | 827.25 mi (1,331.33 km) |
| Isernia to Koscian | 732.93 mi (1,179.53 km) |
