| Kastamonu to Hameenkyro | 1,467.30 mi (2,361.40 km) |
| Kastamonu to Hameenlinna | 1,410.89 mi (2,270.62 km) |
| Kastamonu to Hamina | 1,354.84 mi (2,180.40 km) |
| Kastamonu to Hanko | 1,356.43 mi (2,182.96 km) |
| Kastamonu to Hattula | 1,415.98 mi (2,278.80 km) |
| Kastamonu to Haukipudas | 1,677.93 mi (2,700.37 km) |
| Kastamonu to Hausjarvi | 1,391.14 mi (2,238.82 km) |
| Kastamonu to Heinola | 1,407.65 mi (2,265.39 km) |
| Kastamonu to Helsinki | 1,351.98 mi (2,175.80 km) |
| Kastamonu to Hollola | 1,398.95 mi (2,251.40 km) |
| Kastamonu to Huittinen | 1,444.66 mi (2,324.95 km) |
| Kastamonu to Hyvinkaa | 1,383.03 mi (2,225.76 km) |
| Kastamonu to Ii | 1,686.64 mi (2,714.39 km) |
| Kastamonu to Iisalmi | 1,556.19 mi (2,504.45 km) |
| Kastamonu to Ilmajoki | 1,545.14 mi (2,486.67 km) |
