| Cities | Distance |
|---|---|
| Porsgrunn to Askoy | 183.91 mi (295.98 km) |
| Porsgrunn to Bamble | 8.48 mi (13.65 km) |
| Porsgrunn to Bergen | 175.98 mi (283.21 km) |
| Porsgrunn to Bodo | 582.31 mi (937.13 km) |
| Porsgrunn to Bomlo | 164.25 mi (264.34 km) |
| Porsgrunn to Borre | 32.00 mi (51.50 km) |
| Porsgrunn to Brumunddal | 129.39 mi (208.23 km) |
| Porsgrunn to Bryne | 147.21 mi (236.91 km) |
| Porsgrunn to Drammen | 46.38 mi (74.63 km) |
| Porsgrunn to Drobak | 50.05 mi (80.55 km) |
| Porsgrunn to Egersund | 140.28 mi (225.76 km) |
| Porsgrunn to Eidsberg | 65.04 mi (104.68 km) |
| Porsgrunn to Eidsvoll | 100.61 mi (161.92 km) |
| Porsgrunn to Elverum | 137.79 mi (221.75 km) |
| Porsgrunn to Enebakk | 67.42 mi (108.50 km) |