| Towson to Spello | 4,415.95 mi (7,106.79 km) |
| Towson to Spilamberto | 4,291.17 mi (6,905.97 km) |
| Towson to Spilimbergo | 4,316.52 mi (6,946.77 km) |
| Towson to Spinea | 4,307.60 mi (6,932.41 km) |
| Towson to Spoleto | 4,424.73 mi (7,120.91 km) |
| Towson to Spoltore | 4,498.80 mi (7,240.11 km) |
| Towson to Spresiano | 4,301.57 mi (6,922.71 km) |
| Towson to Squinzano | 4,744.66 mi (7,635.80 km) |
| Towson to Statte | 4,702.49 mi (7,567.92 km) |
| Towson to Stezzano | 4,195.87 mi (6,752.59 km) |
| Towson to Strada | 4,336.38 mi (6,978.72 km) |
| Towson to Stradella | 4,199.09 mi (6,757.78 km) |
| Towson to Striano | 4,577.48 mi (7,366.75 km) |
| Towson to Subiaco | 4,472.18 mi (7,197.28 km) |
| Towson to Sulmona | 4,504.23 mi (7,248.86 km) |
