| Cities | Distance |
|---|---|
| Porsgrunn to Karis | 491.43 mi (790.88 km) |
| Porsgrunn to Karkkila | 512.14 mi (824.20 km) |
| Porsgrunn to Kauhajoki | 477.92 mi (769.13 km) |
| Porsgrunn to Kauhava | 522.54 mi (840.95 km) |
| Porsgrunn to Kauniainen | 528.54 mi (850.60 km) |
| Porsgrunn to Kemi | 656.45 mi (1,056.46 km) |
| Porsgrunn to Kemijarvi | 760.94 mi (1,224.62 km) |
| Porsgrunn to Kempele | 647.22 mi (1,041.61 km) |
| Porsgrunn to Kerava | 541.57 mi (871.57 km) |
| Porsgrunn to Keuruu | 550.23 mi (885.51 km) |
| Porsgrunn to Kiiminki | 661.77 mi (1,065.02 km) |
| Porsgrunn to Kirkkonummi | 517.48 mi (832.80 km) |
| Porsgrunn to Kitee | 719.14 mi (1,157.35 km) |
| Porsgrunn to Kiuruvesi | 638.46 mi (1,027.50 km) |
| Porsgrunn to Kivisto | 532.64 mi (857.20 km) |