| Sinop to Kidricevo | 1,002.00 mi (1,612.57 km) |
| Sinop to Kobarid | 1,104.90 mi (1,778.16 km) |
| Sinop to Kobilje | 978.02 mi (1,573.97 km) |
| Sinop to Kocevje | 1,038.65 mi (1,671.55 km) |
| Sinop to Komen | 1,093.12 mi (1,759.21 km) |
| Sinop to Komenda | 1,059.03 mi (1,704.34 km) |
| Sinop to Koper | 1,092.13 mi (1,757.62 km) |
| Sinop to Kostanjevica na Krki | 1,013.40 mi (1,630.91 km) |
| Sinop to Kostel | 1,035.18 mi (1,665.96 km) |
| Sinop to Kozje | 1,009.37 mi (1,624.42 km) |
| Sinop to Kranj | 1,067.44 mi (1,717.88 km) |
| Sinop to Kranjska Gora | 1,097.33 mi (1,765.98 km) |
| Sinop to Krizevci | 988.14 mi (1,590.26 km) |
| Sinop to Krsko | 1,011.65 mi (1,628.10 km) |
| Sinop to Kuzma | 994.67 mi (1,600.77 km) |
