| Riverdale to Spello | 5,004.63 mi (8,054.17 km) |
| Riverdale to Spilamberto | 4,880.51 mi (7,854.42 km) |
| Riverdale to Spilimbergo | 4,907.06 mi (7,897.16 km) |
| Riverdale to Spinea | 4,897.77 mi (7,882.20 km) |
| Riverdale to Spoleto | 5,013.21 mi (8,067.99 km) |
| Riverdale to Spoltore | 5,087.56 mi (8,187.63 km) |
| Riverdale to Spresiano | 4,891.89 mi (7,872.74 km) |
| Riverdale to Squinzano | 5,333.31 mi (8,583.13 km) |
| Riverdale to Statte | 5,290.89 mi (8,514.87 km) |
| Riverdale to Stezzano | 4,785.61 mi (7,701.69 km) |
| Riverdale to Strada | 4,925.07 mi (7,926.14 km) |
| Riverdale to Stradella | 4,788.35 mi (7,706.11 km) |
| Riverdale to Striano | 5,164.95 mi (8,312.19 km) |
| Riverdale to Subiaco | 5,060.08 mi (8,143.41 km) |
| Riverdale to Sulmona | 5,092.57 mi (8,195.71 km) |
