| Riverdale to Sinop | 5,961.87 mi (9,594.71 km) |
| Riverdale to Siran | 6,198.22 mi (9,975.07 km) |
| Riverdale to Sirnak | 6,455.34 mi (10,388.87 km) |
| Riverdale to Sirvan | 6,411.68 mi (10,318.61 km) |
| Riverdale to Sivas | 6,141.27 mi (9,883.42 km) |
| Riverdale to Sivasli | 5,910.24 mi (9,511.61 km) |
| Riverdale to Siverek | 6,326.67 mi (10,181.79 km) |
| Riverdale to Sivrice | 6,291.79 mi (10,125.66 km) |
| Riverdale to Sivrihisar | 5,942.03 mi (9,562.77 km) |
| Riverdale to Sogut | 5,861.83 mi (9,433.70 km) |
| Riverdale to Sogutlu | 5,834.32 mi (9,389.43 km) |
| Riverdale to Soke | 5,847.38 mi (9,410.44 km) |
| Riverdale to Solhan | 6,330.02 mi (10,187.19 km) |
| Riverdale to Soma | 5,793.19 mi (9,323.25 km) |
| Riverdale to Sorgun | 6,068.53 mi (9,766.36 km) |
