| Riverdale to San Luis Obispo (California) | 2,058.60 mi (3,312.99 km) |
| Riverdale to San Marcos (California) | 1,883.27 mi (3,030.83 km) |
| Riverdale to San Marcos (Texas) | 834.06 mi (1,342.28 km) |
| Riverdale to San Marino (California) | 1,925.61 mi (3,098.97 km) |
| Riverdale to San Mateo (California) | 2,133.70 mi (3,433.86 km) |
| Riverdale to San Pablo (California) | 2,133.45 mi (3,433.46 km) |
| Riverdale to San Rafael (California) | 2,143.09 mi (3,448.97 km) |
| Riverdale to San Ramon (California) | 2,112.21 mi (3,399.27 km) |
| Riverdale to San Tan Valley (Arizona) | 1,562.46 mi (2,514.54 km) |
| Riverdale to Sand Springs (Oklahoma) | 687.28 mi (1,106.06 km) |
| Riverdale to Sandusky (Ohio) | 552.61 mi (889.34 km) |
| Riverdale to Sandy (Oregon) | 2,153.98 mi (3,466.49 km) |
| Riverdale to Sandy (Utah) | 1,580.88 mi (2,544.18 km) |
| Riverdale to Sandy Springs (Georgia) | 25.85 mi (41.61 km) |
| Riverdale to Sanford (Florida) | 378.33 mi (608.86 km) |
