| Rialto to Silver Firs (Washington) | 981.17 mi (1,579.04 km) |
| Rialto to Silver Spring (Maryland) | 2,247.10 mi (3,616.36 km) |
| Rialto to Silver Springs Shores (Florida) | 2,099.31 mi (3,378.52 km) |
| Rialto to Silverdale (Washington) | 975.50 mi (1,569.92 km) |
| Rialto to Silverton (Oregon) | 804.60 mi (1,294.88 km) |
| Rialto to Simi Valley (California) | 78.39 mi (126.16 km) |
| Rialto to Simpsonville (South Carolina) | 1,992.49 mi (3,206.60 km) |
| Rialto to Sioux City (Iowa) | 1,272.44 mi (2,047.79 km) |
| Rialto to Sioux Falls (South Dakota) | 1,283.23 mi (2,065.16 km) |
| Rialto to Skokie (Illinois) | 1,692.82 mi (2,724.34 km) |
| Rialto to Sleepy Hollow (New York) | 2,404.63 mi (3,869.88 km) |
| Rialto to Slidell (Louisiana) | 1,630.43 mi (2,623.92 km) |
| Rialto to Smithfield (North Carolina) | 2,202.13 mi (3,543.99 km) |
| Rialto to Smithfield (Utah) | 612.94 mi (986.43 km) |
| Rialto to Smithville (Missouri) | 1,310.44 mi (2,108.95 km) |
