| Portsmouth to Hameenkyro | 1,183.77 mi (1,905.10 km) |
| Portsmouth to Hameenlinna | 1,202.02 mi (1,934.46 km) |
| Portsmouth to Hamina | 1,276.78 mi (2,054.78 km) |
| Portsmouth to Hanko | 1,122.96 mi (1,807.22 km) |
| Portsmouth to Hattula | 1,200.84 mi (1,932.57 km) |
| Portsmouth to Haukipudas | 1,367.32 mi (2,200.49 km) |
| Portsmouth to Hausjarvi | 1,213.53 mi (1,952.99 km) |
| Portsmouth to Heinola | 1,255.67 mi (2,020.81 km) |
| Portsmouth to Helsinki | 1,194.81 mi (1,922.85 km) |
| Portsmouth to Hollola | 1,234.01 mi (1,985.95 km) |
| Portsmouth to Huittinen | 1,154.37 mi (1,857.78 km) |
| Portsmouth to Hyvinkaa | 1,203.94 mi (1,937.56 km) |
| Portsmouth to Ii | 1,373.00 mi (2,209.63 km) |
| Portsmouth to Iisalmi | 1,357.91 mi (2,185.34 km) |
| Portsmouth to Ilmajoki | 1,204.71 mi (1,938.79 km) |
