| Cities | Distance |
|---|---|
| Porsgrunn to Hameenkyro | 491.39 mi (790.81 km) |
| Porsgrunn to Hameenlinna | 523.99 mi (843.29 km) |
| Porsgrunn to Hamina | 613.44 mi (987.24 km) |
| Porsgrunn to Hanko | 467.07 mi (751.68 km) |
| Porsgrunn to Hattula | 521.41 mi (839.14 km) |
| Porsgrunn to Haukipudas | 653.14 mi (1,051.12 km) |
| Porsgrunn to Hausjarvi | 540.96 mi (870.59 km) |
| Porsgrunn to Heinola | 577.72 mi (929.75 km) |
| Porsgrunn to Helsinki | 535.47 mi (861.76 km) |
| Porsgrunn to Hollola | 558.73 mi (899.18 km) |
| Porsgrunn to Huittinen | 467.98 mi (753.14 km) |
| Porsgrunn to Hyvinkaa | 534.12 mi (859.58 km) |
| Porsgrunn to Ii | 658.68 mi (1,060.04 km) |
| Porsgrunn to Iisalmi | 652.67 mi (1,050.37 km) |
| Porsgrunn to Ilmajoki | 498.05 mi (801.53 km) |