| Cities | Distance |
|---|---|
| Porsgrunn to Tallinn | 530.07 mi (853.07 km) |
| Porsgrunn to Tartu | 610.02 mi (981.73 km) |
| Porsgrunn to Valga | 595.72 mi (958.72 km) |
| Porsgrunn to Viljandi | 570.68 mi (918.42 km) |
| Porsgrunn to Voru | 628.54 mi (1,011.53 km) |
| Porsgrunn to Aanekoski | 588.16 mi (946.55 km) |
| Porsgrunn to Alajarvi | 541.04 mi (870.72 km) |
| Porsgrunn to Alavus | 524.55 mi (844.19 km) |
| Porsgrunn to Ekenas | 483.36 mi (777.89 km) |
| Porsgrunn to Espoo | 525.85 mi (846.27 km) |
| Porsgrunn to Eura | 447.28 mi (719.83 km) |
| Porsgrunn to Eurajoki | 436.99 mi (703.27 km) |
| Porsgrunn to Forssa | 494.32 mi (795.53 km) |
| Porsgrunn to Hakkila | 536.20 mi (862.93 km) |
| Porsgrunn to Halikko | 472.69 mi (760.73 km) |