| Round Rock to Slatina | 6,102.18 mi (9,820.52 km) |
| Round Rock to Slobozia | 6,201.97 mi (9,981.11 km) |
| Round Rock to Sovata | 6,024.59 mi (9,695.65 km) |
| Round Rock to Strehaia | 6,050.90 mi (9,737.98 km) |
| Round Rock to Suceava | 6,014.06 mi (9,678.69 km) |
| Round Rock to Targoviste | 6,117.68 mi (9,845.45 km) |
| Round Rock to Targu Frumos | 6,060.70 mi (9,753.75 km) |
| Round Rock to Targu Jiu | 6,034.56 mi (9,711.68 km) |
| Round Rock to Targu Lapus | 5,942.51 mi (9,563.55 km) |
| Round Rock to Targu Neamt | 6,039.18 mi (9,719.12 km) |
| Round Rock to Targu Ocna | 6,092.68 mi (9,805.21 km) |
| Round Rock to Targu Secuiesc | 6,089.98 mi (9,800.87 km) |
| Round Rock to Targu-Mures | 6,009.30 mi (9,671.03 km) |
| Round Rock to Tarnaveni | 6,009.30 mi (9,671.03 km) |
| Round Rock to Tasnad | 5,897.07 mi (9,490.42 km) |
