| Grover Beach to Silver Firs (Washington) | 883.97 mi (1,422.61 km) |
| Grover Beach to Silver Spring (Maryland) | 2,395.85 mi (3,855.75 km) |
| Grover Beach to Silver Springs Shores (Florida) | 2,282.46 mi (3,673.27 km) |
| Grover Beach to Silverdale (Washington) | 873.32 mi (1,405.47 km) |
| Grover Beach to Silverton (Oregon) | 692.25 mi (1,114.06 km) |
| Grover Beach to Simi Valley (California) | 121.55 mi (195.62 km) |
| Grover Beach to Simpsonville (South Carolina) | 2,159.72 mi (3,475.74 km) |
| Grover Beach to Sioux City (Iowa) | 1,394.47 mi (2,244.19 km) |
| Grover Beach to Sioux Falls (South Dakota) | 1,396.41 mi (2,247.30 km) |
| Grover Beach to Skokie (Illinois) | 1,826.75 mi (2,939.88 km) |
| Grover Beach to Sleepy Hollow (New York) | 2,543.99 mi (4,094.15 km) |
| Grover Beach to Slidell (Louisiana) | 1,816.16 mi (2,922.82 km) |
| Grover Beach to Smithfield (North Carolina) | 2,364.56 mi (3,805.39 km) |
| Grover Beach to Smithfield (Utah) | 663.72 mi (1,068.15 km) |
| Grover Beach to Smithville (Missouri) | 1,457.03 mi (2,344.87 km) |
