| Istrana to Hameenkyro | 1,188.22 mi (1,912.25 km) |
| Istrana to Hameenlinna | 1,169.96 mi (1,882.86 km) |
| Istrana to Hamina | 1,197.49 mi (1,927.18 km) |
| Istrana to Hanko | 1,074.89 mi (1,729.87 km) |
| Istrana to Hattula | 1,171.95 mi (1,886.07 km) |
| Istrana to Haukipudas | 1,437.03 mi (2,312.68 km) |
| Istrana to Hausjarvi | 1,167.71 mi (1,879.24 km) |
| Istrana to Heinola | 1,210.02 mi (1,947.34 km) |
| Istrana to Helsinki | 1,130.29 mi (1,819.03 km) |
| Istrana to Hollola | 1,188.23 mi (1,912.27 km) |
| Istrana to Huittinen | 1,152.50 mi (1,854.76 km) |
| Istrana to Hyvinkaa | 1,155.50 mi (1,859.59 km) |
| Istrana to Ii | 1,445.55 mi (2,326.39 km) |
| Istrana to Iisalmi | 1,367.01 mi (2,200.00 km) |
| Istrana to Ilmajoki | 1,248.15 mi (2,008.71 km) |
