| Cities | Distance |
|---|---|
| Porsgrunn to Os | 166.45 mi (267.87 km) |
| Porsgrunn to Oslo | 65.87 mi (106.00 km) |
| Porsgrunn to Randaberg | 145.65 mi (234.41 km) |
| Porsgrunn to Ringsaker | 137.13 mi (220.70 km) |
| Porsgrunn to Royken | 49.61 mi (79.85 km) |
| Porsgrunn to Rygge | 39.76 mi (63.98 km) |
| Porsgrunn to Sand | 18.28 mi (29.43 km) |
| Porsgrunn to Sande | 37.39 mi (60.17 km) |
| Porsgrunn to Sandefjord | 18.00 mi (28.96 km) |
| Porsgrunn to Sandnes | 142.63 mi (229.54 km) |
| Porsgrunn to Sandvika | 60.11 mi (96.74 km) |
| Porsgrunn to Sarpsborg | 50.97 mi (82.03 km) |
| Porsgrunn to Sem | 24.61 mi (39.60 km) |
| Porsgrunn to Ski | 60.03 mi (96.60 km) |
| Porsgrunn to Skien | 8.48 mi (13.64 km) |