| Sinop to Klaukkala | 1,342.01 mi (2,159.75 km) |
| Sinop to Kokkola | 1,581.66 mi (2,545.43 km) |
| Sinop to Kontiolahti | 1,449.16 mi (2,332.20 km) |
| Sinop to Korsholm | 1,555.45 mi (2,503.26 km) |
| Sinop to Kotka | 1,320.23 mi (2,124.71 km) |
| Sinop to Kouvola | 1,349.07 mi (2,171.13 km) |
| Sinop to Kuhmo | 1,543.24 mi (2,483.61 km) |
| Sinop to Kuopio | 1,473.31 mi (2,371.06 km) |
| Sinop to Kurikka | 1,514.64 mi (2,437.58 km) |
| Sinop to Kuusamo | 1,670.02 mi (2,687.63 km) |
| Sinop to Kuusankoski | 1,352.59 mi (2,176.78 km) |
| Sinop to Lahti | 1,368.73 mi (2,202.76 km) |
| Sinop to Laitila | 1,419.31 mi (2,284.16 km) |
| Sinop to Lapinlahti | 1,507.34 mi (2,425.83 km) |
| Sinop to Lappeenranta | 1,347.37 mi (2,168.39 km) |
