| Mastic to Kidricevo | 4,210.85 mi (6,776.71 km) |
| Mastic to Kobarid | 4,124.07 mi (6,637.06 km) |
| Mastic to Kobilje | 4,225.75 mi (6,800.69 km) |
| Mastic to Kocevje | 4,198.18 mi (6,756.32 km) |
| Mastic to Komen | 4,145.78 mi (6,671.99 km) |
| Mastic to Komenda | 4,165.49 mi (6,703.70 km) |
| Mastic to Koper | 4,154.05 mi (6,685.29 km) |
| Mastic to Kostanjevica na Krki | 4,214.76 mi (6,783.00 km) |
| Mastic to Kostel | 4,204.93 mi (6,767.18 km) |
| Mastic to Kozje | 4,212.44 mi (6,779.27 km) |
| Mastic to Kranj | 4,157.43 mi (6,690.74 km) |
| Mastic to Kranjska Gora | 4,124.81 mi (6,638.24 km) |
| Mastic to Krizevci | 4,219.46 mi (6,790.57 km) |
| Mastic to Krsko | 4,213.60 mi (6,781.13 km) |
| Mastic to Kuzma | 4,207.79 mi (6,771.78 km) |
