| Welwyn Garden City to Sosnowiec | 843.58 mi (1,357.60 km) |
| Welwyn Garden City to Srem | 731.39 mi (1,177.07 km) |
| Welwyn Garden City to Sroda Slaska | 721.75 mi (1,161.55 km) |
| Welwyn Garden City to Sroda Wielkopolska | 741.87 mi (1,193.93 km) |
| Welwyn Garden City to Stalowa Wola | 963.30 mi (1,550.28 km) |
| Welwyn Garden City to Starachowice | 914.10 mi (1,471.09 km) |
| Welwyn Garden City to Stargard Szczecinski | 647.48 mi (1,042.01 km) |
| Welwyn Garden City to Starogard Gdanski | 792.40 mi (1,275.25 km) |
| Welwyn Garden City to Stary Sacz | 921.65 mi (1,483.25 km) |
| Welwyn Garden City to Staszow | 925.68 mi (1,489.74 km) |
| Welwyn Garden City to Strzegom | 713.96 mi (1,149.01 km) |
| Welwyn Garden City to Strzelce Krajenskie | 666.55 mi (1,072.71 km) |
| Welwyn Garden City to Strzelce Opolskie | 803.61 mi (1,293.29 km) |
| Welwyn Garden City to Strzelin | 747.29 mi (1,202.64 km) |
| Welwyn Garden City to Strzyzow | 964.17 mi (1,551.68 km) |
