| Sinop to Hameenkyro | 1,442.22 mi (2,321.03 km) |
| Sinop to Hameenlinna | 1,384.59 mi (2,228.28 km) |
| Sinop to Hamina | 1,323.99 mi (2,130.75 km) |
| Sinop to Hanko | 1,334.89 mi (2,148.29 km) |
| Sinop to Hattula | 1,389.75 mi (2,236.59 km) |
| Sinop to Haukipudas | 1,645.17 mi (2,647.65 km) |
| Sinop to Hausjarvi | 1,364.11 mi (2,195.33 km) |
| Sinop to Heinola | 1,378.21 mi (2,218.02 km) |
| Sinop to Helsinki | 1,326.05 mi (2,134.08 km) |
| Sinop to Hollola | 1,370.75 mi (2,206.00 km) |
| Sinop to Huittinen | 1,421.19 mi (2,287.18 km) |
| Sinop to Hyvinkaa | 1,356.56 mi (2,183.17 km) |
| Sinop to Ii | 1,653.73 mi (2,661.42 km) |
| Sinop to Iisalmi | 1,522.32 mi (2,449.94 km) |
| Sinop to Ilmajoki | 1,519.36 mi (2,445.18 km) |
