| Isla Vista to Silver Firs (Washington) | 936.84 mi (1,507.69 km) |
| Isla Vista to Silver Spring (Maryland) | 2,372.17 mi (3,817.64 km) |
| Isla Vista to Silver Springs Shores (Florida) | 2,240.18 mi (3,605.22 km) |
| Isla Vista to Silverdale (Washington) | 927.29 mi (1,492.32 km) |
| Isla Vista to Silverton (Oregon) | 747.84 mi (1,203.54 km) |
| Isla Vista to Simi Valley (California) | 64.27 mi (103.43 km) |
| Isla Vista to Simpsonville (South Carolina) | 2,126.84 mi (3,422.81 km) |
| Isla Vista to Sioux City (Iowa) | 1,381.37 mi (2,223.10 km) |
| Isla Vista to Sioux Falls (South Dakota) | 1,386.79 mi (2,231.83 km) |
| Isla Vista to Skokie (Illinois) | 1,809.28 mi (2,911.75 km) |
| Isla Vista to Sleepy Hollow (New York) | 2,524.61 mi (4,062.96 km) |
| Isla Vista to Slidell (Louisiana) | 1,772.00 mi (2,851.76 km) |
| Isla Vista to Smithfield (North Carolina) | 2,334.24 mi (3,756.60 km) |
| Isla Vista to Smithfield (Utah) | 672.93 mi (1,082.98 km) |
| Isla Vista to Smithville (Missouri) | 1,433.68 mi (2,307.29 km) |
