| Porsgrunn to Szamotuly | 522.56 mi (840.99 km) |
| Porsgrunn to Szczecin | 434.05 mi (698.54 km) |
| Porsgrunn to Szczecinek | 457.94 mi (736.98 km) |
| Porsgrunn to Szczytno | 576.03 mi (927.04 km) |
| Porsgrunn to Szprotawa | 569.05 mi (915.80 km) |
| Porsgrunn to Sztum | 504.19 mi (811.41 km) |
| Porsgrunn to Szubin | 522.43 mi (840.77 km) |
| Porsgrunn to Szydlowiec | 698.01 mi (1,123.33 km) |
| Porsgrunn to Tarnobrzeg | 755.56 mi (1,215.96 km) |
| Porsgrunn to Tarnow | 772.22 mi (1,242.77 km) |
| Porsgrunn to Tarnowskie Gory | 699.90 mi (1,126.38 km) |
| Porsgrunn to Tczew | 489.25 mi (787.36 km) |
| Porsgrunn to Tomaszow Lubelski | 807.35 mi (1,299.30 km) |
| Porsgrunn to Tomaszow Mazowiecki | 661.68 mi (1,064.88 km) |
| Porsgrunn to Torun | 542.30 mi (872.75 km) |
