| Ribeira Grande to Silver Firs (Washington) | 4,617.54 mi (7,431.22 km) |
| Ribeira Grande to Silver Spring (Maryland) | 2,751.59 mi (4,428.25 km) |
| Ribeira Grande to Silver Springs Shores (Florida) | 3,262.19 mi (5,249.98 km) |
| Ribeira Grande to Silverdale (Washington) | 4,645.77 mi (7,476.64 km) |
| Ribeira Grande to Silverton (Oregon) | 4,747.99 mi (7,641.16 km) |
| Ribeira Grande to Simi Valley (California) | 4,977.24 mi (8,010.10 km) |
| Ribeira Grande to Simpsonville (South Carolina) | 3,118.91 mi (5,019.39 km) |
| Ribeira Grande to Sioux City (Iowa) | 3,645.90 mi (5,867.51 km) |
| Ribeira Grande to Sioux Falls (South Dakota) | 3,637.31 mi (5,853.68 km) |
| Ribeira Grande to Skokie (Illinois) | 3,236.59 mi (5,208.80 km) |
| Ribeira Grande to Sleepy Hollow (New York) | 2,556.51 mi (4,114.30 km) |
| Ribeira Grande to Slidell (Louisiana) | 3,644.04 mi (5,864.52 km) |
| Ribeira Grande to Smithfield (North Carolina) | 2,893.03 mi (4,655.88 km) |
| Ribeira Grande to Smithfield (Utah) | 4,384.60 mi (7,056.33 km) |
| Ribeira Grande to Smithville (Missouri) | 3,634.58 mi (5,849.29 km) |
