| Reston to Spello | 4,465.51 mi (7,186.55 km) |
| Reston to Spilamberto | 4,340.75 mi (6,985.77 km) |
| Reston to Spilimbergo | 4,366.13 mi (7,026.61 km) |
| Reston to Spinea | 4,357.20 mi (7,012.24 km) |
| Reston to Spoleto | 4,474.28 mi (7,200.66 km) |
| Reston to Spoltore | 4,548.36 mi (7,319.88 km) |
| Reston to Spresiano | 4,351.18 mi (7,002.55 km) |
| Reston to Squinzano | 4,794.22 mi (7,715.56 km) |
| Reston to Statte | 4,752.03 mi (7,647.66 km) |
| Reston to Stezzano | 4,245.46 mi (6,832.41 km) |
| Reston to Strada | 4,385.93 mi (7,058.48 km) |
| Reston to Stradella | 4,248.67 mi (6,837.57 km) |
| Reston to Striano | 4,626.98 mi (7,446.41 km) |
| Reston to Subiaco | 4,521.70 mi (7,276.97 km) |
| Reston to Sulmona | 4,553.77 mi (7,328.59 km) |
