| Poquoson to Silver Firs (Washington) | 2,408.40 mi (3,875.94 km) |
| Poquoson to Silver Spring (Maryland) | 134.22 mi (216.01 km) |
| Poquoson to Silver Springs Shores (Florida) | 643.25 mi (1,035.21 km) |
| Poquoson to Silverdale (Washington) | 2,433.07 mi (3,915.64 km) |
| Poquoson to Silverton (Oregon) | 2,443.75 mi (3,932.84 km) |
| Poquoson to Simi Valley (California) | 2,367.17 mi (3,809.60 km) |
| Poquoson to Simpsonville (South Carolina) | 369.40 mi (594.49 km) |
| Poquoson to Sioux City (Iowa) | 1,122.72 mi (1,806.84 km) |
| Poquoson to Sioux Falls (South Dakota) | 1,156.96 mi (1,861.95 km) |
| Poquoson to Skokie (Illinois) | 693.59 mi (1,116.22 km) |
| Poquoson to Sleepy Hollow (New York) | 304.38 mi (489.86 km) |
| Poquoson to Slidell (Louisiana) | 903.62 mi (1,454.23 km) |
| Poquoson to Smithfield (North Carolina) | 157.51 mi (253.48 km) |
| Poquoson to Smithfield (Utah) | 1,905.31 mi (3,066.29 km) |
| Poquoson to Smithville (Missouri) | 998.84 mi (1,607.47 km) |
