| Oceanside to Silver Firs (Washington) | 1,042.35 mi (1,677.50 km) |
| Oceanside to Silver Spring (Maryland) | 2,265.10 mi (3,645.32 km) |
| Oceanside to Silver Springs Shores (Florida) | 2,095.85 mi (3,372.95 km) |
| Oceanside to Silverdale (Washington) | 1,036.40 mi (1,667.93 km) |
| Oceanside to Silverton (Oregon) | 864.53 mi (1,391.32 km) |
| Oceanside to Simi Valley (California) | 109.68 mi (176.51 km) |
| Oceanside to Simpsonville (South Carolina) | 2,000.87 mi (3,220.08 km) |
| Oceanside to Sioux City (Iowa) | 1,303.43 mi (2,097.66 km) |
| Oceanside to Sioux Falls (South Dakota) | 1,317.25 mi (2,119.90 km) |
| Oceanside to Skokie (Illinois) | 1,718.17 mi (2,765.12 km) |
| Oceanside to Sleepy Hollow (New York) | 2,426.67 mi (3,905.34 km) |
| Oceanside to Slidell (Louisiana) | 1,625.06 mi (2,615.28 km) |
| Oceanside to Smithfield (North Carolina) | 2,213.10 mi (3,561.64 km) |
| Oceanside to Smithfield (Utah) | 666.06 mi (1,071.92 km) |
| Oceanside to Smithville (Missouri) | 1,331.26 mi (2,142.45 km) |
