| Rapid City to Spello | 5,239.47 mi (8,432.11 km) |
| Rapid City to Spilamberto | 5,104.97 mi (8,215.66 km) |
| Rapid City to Spilimbergo | 5,085.37 mi (8,184.11 km) |
| Rapid City to Spinea | 5,094.24 mi (8,198.38 km) |
| Rapid City to Spoleto | 5,251.89 mi (8,452.10 km) |
| Rapid City to Spoltore | 5,316.39 mi (8,555.90 km) |
| Rapid City to Spresiano | 5,082.39 mi (8,179.31 km) |
| Rapid City to Squinzano | 5,553.20 mi (8,937.01 km) |
| Rapid City to Statte | 5,518.05 mi (8,880.44 km) |
| Rapid City to Stezzano | 5,003.17 mi (8,051.83 km) |
| Rapid City to Strada | 5,163.24 mi (8,309.43 km) |
| Rapid City to Stradella | 5,019.47 mi (8,078.05 km) |
| Rapid City to Striano | 5,416.59 mi (8,717.16 km) |
| Rapid City to Subiaco | 5,308.48 mi (8,543.18 km) |
| Rapid City to Sulmona | 5,330.46 mi (8,578.55 km) |
