| Atascadero to Silver Firs (Washington) | 858.72 mi (1,381.97 km) |
| Atascadero to Silver Spring (Maryland) | 2,391.06 mi (3,848.05 km) |
| Atascadero to Silver Springs Shores (Florida) | 2,286.06 mi (3,679.07 km) |
| Atascadero to Silverdale (Washington) | 848.03 mi (1,364.77 km) |
| Atascadero to Silverton (Oregon) | 666.94 mi (1,073.33 km) |
| Atascadero to Simi Valley (California) | 138.26 mi (222.50 km) |
| Atascadero to Simpsonville (South Carolina) | 2,158.92 mi (3,474.44 km) |
| Atascadero to Sioux City (Iowa) | 1,385.90 mi (2,230.40 km) |
| Atascadero to Sioux Falls (South Dakota) | 1,386.56 mi (2,231.45 km) |
| Atascadero to Skokie (Illinois) | 1,819.65 mi (2,928.45 km) |
| Atascadero to Sleepy Hollow (New York) | 2,537.45 mi (4,083.62 km) |
| Atascadero to Slidell (Louisiana) | 1,820.82 mi (2,930.33 km) |
| Atascadero to Smithfield (North Carolina) | 2,362.57 mi (3,802.19 km) |
| Atascadero to Smithfield (Utah) | 648.26 mi (1,043.27 km) |
| Atascadero to Smithville (Missouri) | 1,452.42 mi (2,337.44 km) |
