| Porsgrunn to Srem | 562.31 mi (904.96 km) |
| Porsgrunn to Sroda Slaska | 612.94 mi (986.44 km) |
| Porsgrunn to Sroda Wielkopolska | 558.85 mi (899.39 km) |
| Porsgrunn to Stalowa Wola | 765.62 mi (1,232.14 km) |
| Porsgrunn to Starachowice | 713.76 mi (1,148.69 km) |
| Porsgrunn to Stargard Szczecinski | 448.77 mi (722.22 km) |
| Porsgrunn to Starogard Gdanski | 488.65 mi (786.41 km) |
| Porsgrunn to Stary Sacz | 791.15 mi (1,273.24 km) |
| Porsgrunn to Staszow | 744.12 mi (1,197.55 km) |
| Porsgrunn to Strzegom | 620.93 mi (999.29 km) |
| Porsgrunn to Strzelce Krajenskie | 485.88 mi (781.95 km) |
| Porsgrunn to Strzelce Opolskie | 684.99 mi (1,102.39 km) |
| Porsgrunn to Strzelin | 644.60 mi (1,037.38 km) |
| Porsgrunn to Strzyzow | 798.43 mi (1,284.95 km) |
| Porsgrunn to Sucha Beskidzka | 758.01 mi (1,219.90 km) |
