| Potomac to Sosnowiec | 4,460.91 mi (7,179.14 km) |
| Potomac to Srem | 4,318.90 mi (6,950.60 km) |
| Potomac to Sroda Slaska | 4,334.39 mi (6,975.53 km) |
| Potomac to Sroda Wielkopolska | 4,323.97 mi (6,958.75 km) |
| Potomac to Stalowa Wola | 4,559.32 mi (7,337.52 km) |
| Potomac to Starachowice | 4,505.17 mi (7,250.37 km) |
| Potomac to Stargard Szczecinski | 4,205.79 mi (6,768.56 km) |
| Potomac to Starogard Gdanski | 4,310.71 mi (6,937.42 km) |
| Potomac to Stary Sacz | 4,543.98 mi (7,312.83 km) |
| Potomac to Staszow | 4,526.78 mi (7,285.14 km) |
| Potomac to Strzegom | 4,331.72 mi (6,971.22 km) |
| Potomac to Strzelce Krajenskie | 4,238.13 mi (6,820.62 km) |
| Potomac to Strzelce Opolskie | 4,421.10 mi (7,115.07 km) |
| Potomac to Strzelin | 4,365.18 mi (7,025.07 km) |
| Potomac to Strzyzow | 4,575.11 mi (7,362.93 km) |
