| Potomac to Solymar | 4,550.76 mi (7,323.75 km) |
| Potomac to Sopron | 4,454.22 mi (7,168.38 km) |
| Potomac to Szarvas | 4,641.80 mi (7,470.25 km) |
| Potomac to Szazhalombatta | 4,560.86 mi (7,339.99 km) |
| Potomac to Szeged | 4,648.96 mi (7,481.78 km) |
| Potomac to Szeghalom | 4,659.91 mi (7,499.40 km) |
| Potomac to Szekesfehervar | 4,544.66 mi (7,313.93 km) |
| Potomac to Szekszard | 4,587.42 mi (7,382.74 km) |
| Potomac to Szentendre | 4,552.09 mi (7,325.88 km) |
| Potomac to Szentes | 4,638.43 mi (7,464.84 km) |
| Potomac to Szentgotthard | 4,468.06 mi (7,190.66 km) |
| Potomac to Szigethalom | 4,564.03 mi (7,345.10 km) |
| Potomac to Szigetszentmiklos | 4,564.52 mi (7,345.89 km) |
| Potomac to Szigetvar | 4,562.25 mi (7,342.24 km) |
| Potomac to Szolnok | 4,616.21 mi (7,429.08 km) |
