| Round Rock to Suhut | 6,616.46 mi (10,648.16 km) |
| Round Rock to Sulakyurt | 6,645.35 mi (10,694.65 km) |
| Round Rock to Sultanbeyli | 6,447.05 mi (10,375.52 km) |
| Round Rock to Sultandagi | 6,641.51 mi (10,688.48 km) |
| Round Rock to Sultanhani | 6,739.42 mi (10,846.06 km) |
| Round Rock to Sultanhisar | 6,558.93 mi (10,555.58 km) |
| Round Rock to Suluova | 6,674.54 mi (10,741.63 km) |
| Round Rock to Sumbas | 6,869.18 mi (11,054.88 km) |
| Round Rock to Sungurlu | 6,667.69 mi (10,730.62 km) |
| Round Rock to Surmene | 6,811.97 mi (10,962.81 km) |
| Round Rock to Suruc | 6,976.18 mi (11,227.07 km) |
| Round Rock to Susehri | 6,790.26 mi (10,927.87 km) |
| Round Rock to Susurluk | 6,459.21 mi (10,395.09 km) |
| Round Rock to Susuz | 6,909.53 mi (11,119.81 km) |
| Round Rock to Sutculer | 6,685.16 mi (10,758.72 km) |
