| Sinop to Karis | 1,338.38 mi (2,153.92 km) |
| Sinop to Karkkila | 1,358.99 mi (2,187.09 km) |
| Sinop to Kauhajoki | 1,506.32 mi (2,424.20 km) |
| Sinop to Kauhava | 1,535.93 mi (2,471.85 km) |
| Sinop to Kauniainen | 1,331.79 mi (2,143.30 km) |
| Sinop to Kemi | 1,688.60 mi (2,717.53 km) |
| Sinop to Kemijarvi | 1,730.95 mi (2,785.69 km) |
| Sinop to Kempele | 1,625.96 mi (2,616.73 km) |
| Sinop to Kerava | 1,338.39 mi (2,153.94 km) |
| Sinop to Keuruu | 1,462.02 mi (2,352.90 km) |
| Sinop to Kiiminki | 1,638.10 mi (2,636.26 km) |
| Sinop to Kirkkonummi | 1,329.99 mi (2,140.42 km) |
| Sinop to Kitee | 1,402.21 mi (2,256.65 km) |
| Sinop to Kiuruvesi | 1,532.77 mi (2,466.75 km) |
| Sinop to Kivisto | 1,336.99 mi (2,151.68 km) |
