| Round Rock to Spello | 5,712.81 mi (9,193.87 km) |
| Round Rock to Spilamberto | 5,584.03 mi (8,986.63 km) |
| Round Rock to Spilimbergo | 5,595.80 mi (9,005.57 km) |
| Round Rock to Spinea | 5,592.44 mi (9,000.16 km) |
| Round Rock to Spoleto | 5,722.68 mi (9,209.76 km) |
| Round Rock to Spoltore | 5,794.77 mi (9,325.78 km) |
| Round Rock to Spresiano | 5,584.52 mi (8,987.41 km) |
| Round Rock to Squinzano | 6,040.37 mi (9,721.03 km) |
| Round Rock to Statte | 5,999.77 mi (9,655.70 km) |
| Round Rock to Stezzano | 5,485.83 mi (8,828.59 km) |
| Round Rock to Strada | 5,633.41 mi (9,066.09 km) |
| Round Rock to Stradella | 5,492.93 mi (8,840.01 km) |
| Round Rock to Striano | 5,880.02 mi (9,462.98 km) |
| Round Rock to Subiaco | 5,773.05 mi (9,290.82 km) |
| Round Rock to Sulmona | 5,802.66 mi (9,338.48 km) |
