| Cities | Distance |
|---|---|
| Porsgrunn to Klaukkala | 529.55 mi (852.22 km) |
| Porsgrunn to Kokkola | 548.29 mi (882.39 km) |
| Porsgrunn to Kontiolahti | 717.78 mi (1,155.16 km) |
| Porsgrunn to Korsholm | 484.43 mi (779.62 km) |
| Porsgrunn to Kotka | 604.48 mi (972.81 km) |
| Porsgrunn to Kouvola | 597.78 mi (962.04 km) |
| Porsgrunn to Kuhmo | 732.55 mi (1,178.92 km) |
| Porsgrunn to Kuopio | 653.14 mi (1,051.13 km) |
| Porsgrunn to Kurikka | 489.45 mi (787.70 km) |
| Porsgrunn to Kuusamo | 774.95 mi (1,247.16 km) |
| Porsgrunn to Kuusankoski | 595.29 mi (958.03 km) |
| Porsgrunn to Lahti | 563.26 mi (906.47 km) |
| Porsgrunn to Laitila | 431.15 mi (693.87 km) |
| Porsgrunn to Lapinlahti | 653.91 mi (1,052.37 km) |
| Porsgrunn to Lappeenranta | 648.22 mi (1,043.21 km) |