| Montemor-o-Novo to Silver Firs (Washington) | 5,215.68 mi (8,393.83 km) |
| Montemor-o-Novo to Silver Spring (Maryland) | 3,608.68 mi (5,807.61 km) |
| Montemor-o-Novo to Silver Springs Shores (Florida) | 4,171.85 mi (6,713.95 km) |
| Montemor-o-Novo to Silverdale (Washington) | 5,243.12 mi (8,437.99 km) |
| Montemor-o-Novo to Silverton (Oregon) | 5,372.33 mi (8,645.93 km) |
| Montemor-o-Novo to Simi Valley (California) | 5,721.13 mi (9,207.28 km) |
| Montemor-o-Novo to Simpsonville (South Carolina) | 3,996.32 mi (6,431.46 km) |
| Montemor-o-Novo to Sioux City (Iowa) | 4,413.61 mi (7,103.01 km) |
| Montemor-o-Novo to Sioux Falls (South Dakota) | 4,393.12 mi (7,070.04 km) |
| Montemor-o-Novo to Skokie (Illinois) | 4,036.48 mi (6,496.08 km) |
| Montemor-o-Novo to Sleepy Hollow (New York) | 3,400.85 mi (5,473.14 km) |
| Montemor-o-Novo to Slidell (Louisiana) | 4,529.02 mi (7,288.75 km) |
| Montemor-o-Novo to Smithfield (North Carolina) | 3,774.64 mi (6,074.69 km) |
| Montemor-o-Novo to Smithfield (Utah) | 5,096.36 mi (8,201.80 km) |
| Montemor-o-Novo to Smithville (Missouri) | 4,438.13 mi (7,142.48 km) |
