| Round Rock to Solymar | 5,762.20 mi (9,273.37 km) |
| Round Rock to Sopron | 5,672.53 mi (9,129.05 km) |
| Round Rock to Szarvas | 5,852.67 mi (9,418.97 km) |
| Round Rock to Szazhalombatta | 5,774.33 mi (9,292.88 km) |
| Round Rock to Szeged | 5,865.27 mi (9,439.24 km) |
| Round Rock to Szeghalom | 5,867.55 mi (9,442.91 km) |
| Round Rock to Szekesfehervar | 5,760.49 mi (9,270.61 km) |
| Round Rock to Szekszard | 5,807.82 mi (9,346.79 km) |
| Round Rock to Szentendre | 5,762.29 mi (9,273.50 km) |
| Round Rock to Szentes | 5,851.75 mi (9,417.48 km) |
| Round Rock to Szentgotthard | 5,692.17 mi (9,160.67 km) |
| Round Rock to Szigethalom | 5,777.09 mi (9,297.33 km) |
| Round Rock to Szigetszentmiklos | 5,777.24 mi (9,297.57 km) |
| Round Rock to Szigetvar | 5,787.49 mi (9,314.06 km) |
| Round Rock to Szolnok | 5,826.22 mi (9,376.40 km) |
