| Castle Rock to Spello | 5,537.05 mi (8,911.02 km) |
| Castle Rock to Spilamberto | 5,403.09 mi (8,695.44 km) |
| Castle Rock to Spilimbergo | 5,388.94 mi (8,672.66 km) |
| Castle Rock to Spinea | 5,395.72 mi (8,683.57 km) |
| Castle Rock to Spoleto | 5,549.05 mi (8,930.34 km) |
| Castle Rock to Spoltore | 5,615.15 mi (9,036.71 km) |
| Castle Rock to Spresiano | 5,384.52 mi (8,665.54 km) |
| Castle Rock to Squinzano | 5,854.33 mi (9,421.64 km) |
| Castle Rock to Statte | 5,818.11 mi (9,363.35 km) |
| Castle Rock to Stezzano | 5,301.57 mi (8,532.05 km) |
| Castle Rock to Strada | 5,459.96 mi (8,786.96 km) |
| Castle Rock to Stradella | 5,316.26 mi (8,555.69 km) |
| Castle Rock to Striano | 5,713.02 mi (9,194.21 km) |
| Castle Rock to Subiaco | 5,604.72 mi (9,019.93 km) |
| Castle Rock to Sulmona | 5,628.17 mi (9,057.66 km) |
