| Seia to Sosnowiec | 1,459.16 mi (2,348.29 km) |
| Seia to Srem | 1,418.52 mi (2,282.89 km) |
| Seia to Sroda Slaska | 1,375.26 mi (2,213.27 km) |
| Seia to Sroda Wielkopolska | 1,433.05 mi (2,306.27 km) |
| Seia to Stalowa Wola | 1,587.95 mi (2,555.56 km) |
| Seia to Starachowice | 1,555.70 mi (2,503.66 km) |
| Seia to Stargard Szczecinski | 1,385.92 mi (2,230.43 km) |
| Seia to Starogard Gdanski | 1,531.96 mi (2,465.45 km) |
| Seia to Stary Sacz | 1,510.08 mi (2,430.24 km) |
| Seia to Staszow | 1,550.49 mi (2,495.28 km) |
| Seia to Strzegom | 1,360.60 mi (2,189.68 km) |
| Seia to Strzelce Krajenskie | 1,387.47 mi (2,232.92 km) |
| Seia to Strzelce Opolskie | 1,428.31 mi (2,298.64 km) |
| Seia to Strzelin | 1,385.10 mi (2,229.11 km) |
| Seia to Strzyzow | 1,565.09 mi (2,518.77 km) |
