| Pasco to Silver Firs (Washington) | 180.58 mi (290.61 km) |
| Pasco to Silver Spring (Maryland) | 2,171.50 mi (3,494.69 km) |
| Pasco to Silver Springs Shores (Florida) | 2,319.47 mi (3,732.82 km) |
| Pasco to Silverdale (Washington) | 193.96 mi (312.14 km) |
| Pasco to Silverton (Oregon) | 196.29 mi (315.90 km) |
| Pasco to Simi Valley (California) | 828.28 mi (1,332.98 km) |
| Pasco to Simpsonville (South Carolina) | 2,071.71 mi (3,334.10 km) |
| Pasco to Sioux City (Iowa) | 1,148.37 mi (1,848.13 km) |
| Pasco to Sioux Falls (South Dakota) | 1,108.39 mi (1,783.78 km) |
| Pasco to Skokie (Illinois) | 1,572.66 mi (2,530.95 km) |
| Pasco to Sleepy Hollow (New York) | 2,258.35 mi (3,634.46 km) |
| Pasco to Slidell (Louisiana) | 1,918.83 mi (3,088.06 km) |
| Pasco to Smithfield (North Carolina) | 2,227.48 mi (3,584.78 km) |
| Pasco to Smithfield (Utah) | 473.65 mi (762.26 km) |
| Pasco to Smithville (Missouri) | 1,324.98 mi (2,132.35 km) |
