| Cities | Distance |
|---|---|
| Porsgrunn to Saarijarvi | 576.25 mi (927.39 km) |
| Porsgrunn to Salo | 474.23 mi (763.21 km) |
| Porsgrunn to Sastamala | 477.22 mi (768.02 km) |
| Porsgrunn to Savonlinna | 676.90 mi (1,089.37 km) |
| Porsgrunn to Seinajoki | 507.15 mi (816.19 km) |
| Porsgrunn to Siilinjarvi | 656.05 mi (1,055.81 km) |
| Porsgrunn to Sipoo | 547.37 mi (880.91 km) |
| Porsgrunn to Sippola | 607.18 mi (977.17 km) |
| Porsgrunn to Sodankyla | 772.18 mi (1,242.71 km) |
| Porsgrunn to Somero | 489.15 mi (787.21 km) |
| Porsgrunn to Sotkamo | 700.64 mi (1,127.57 km) |
| Porsgrunn to Tampere | 507.07 mi (816.05 km) |
| Porsgrunn to Tornio | 652.04 mi (1,049.36 km) |
| Porsgrunn to Turku | 445.53 mi (717.01 km) |
| Porsgrunn to Tuusula | 539.98 mi (869.01 km) |