| Porsgrunn to Skarzysko-Kamienna | 706.29 mi (1,136.66 km) |
| Porsgrunn to Skawina | 748.34 mi (1,204.34 km) |
| Porsgrunn to Skierniewice | 639.26 mi (1,028.79 km) |
| Porsgrunn to Skoczow | 738.22 mi (1,188.05 km) |
| Porsgrunn to Skwierzyna | 502.63 mi (808.91 km) |
| Porsgrunn to Slawno | 421.11 mi (677.71 km) |
| Porsgrunn to Slubice | 503.88 mi (810.91 km) |
| Porsgrunn to Slupca | 567.08 mi (912.62 km) |
| Porsgrunn to Slupsk | 423.70 mi (681.88 km) |
| Porsgrunn to Sochaczew | 626.42 mi (1,008.12 km) |
| Porsgrunn to Sokolka | 658.27 mi (1,059.38 km) |
| Porsgrunn to Sokolow Podlaski | 671.05 mi (1,079.95 km) |
| Porsgrunn to Solec Kujawski | 529.81 mi (852.65 km) |
| Porsgrunn to Sopot | 464.37 mi (747.34 km) |
| Porsgrunn to Sosnowiec | 715.40 mi (1,151.32 km) |
