| Plonsk to Karditsa | 919.53 mi (1,479.84 km) |
| Plonsk to Kastoria | 838.21 mi (1,348.97 km) |
| Plonsk to Katerini | 860.27 mi (1,384.47 km) |
| Plonsk to Keratsini | 1,025.21 mi (1,649.91 km) |
| Plonsk to Kerkyra | 899.13 mi (1,447.01 km) |
| Plonsk to Kiato | 1,016.73 mi (1,636.27 km) |
| Plonsk to Kifisia | 1,018.73 mi (1,639.49 km) |
| Plonsk to Kilkis | 813.33 mi (1,308.93 km) |
| Plonsk to Komotini | 831.07 mi (1,337.48 km) |
| Plonsk to Korinthos | 1,022.64 mi (1,645.78 km) |
| Plonsk to Koropi | 1,031.71 mi (1,660.37 km) |
| Plonsk to Korydallos | 1,024.31 mi (1,648.47 km) |
| Plonsk to Kos | 1,139.89 mi (1,834.47 km) |
| Plonsk to Kozani | 854.71 mi (1,375.52 km) |
| Plonsk to Lagos | 828.28 mi (1,332.99 km) |
