| Povoa de Santa Iria to Sugar Hill (Georgia) | 4,058.87 mi (6,532.12 km) |
| Povoa de Santa Iria to Sugar Land (Texas) | 4,801.14 mi (7,726.69 km) |
| Povoa de Santa Iria to Sugarland Run (Virginia) | 3,577.54 mi (5,757.49 km) |
| Povoa de Santa Iria to Sugarmill Woods (Florida) | 4,162.47 mi (6,698.84 km) |
| Povoa de Santa Iria to Suisun City (California) | 5,622.03 mi (9,047.79 km) |
| Povoa de Santa Iria to Suitland (Maryland) | 3,559.97 mi (5,729.21 km) |
| Povoa de Santa Iria to Sulphur (Louisiana) | 4,663.07 mi (7,504.48 km) |
| Povoa de Santa Iria to Sulphur Springs (Texas) | 4,665.23 mi (7,507.97 km) |
| Povoa de Santa Iria to Summerfield (Maryland) | 3,555.78 mi (5,722.47 km) |
| Povoa de Santa Iria to Summerfield (North Carolina) | 3,784.14 mi (6,089.98 km) |
| Povoa de Santa Iria to Summerlin South (Nevada) | 5,446.46 mi (8,765.23 km) |
| Povoa de Santa Iria to Summerville (South Carolina) | 3,897.98 mi (6,273.20 km) |
| Povoa de Santa Iria to Summit (Illinois) | 4,000.39 mi (6,438.00 km) |
| Povoa de Santa Iria to Summit (New Jersey) | 3,386.16 mi (5,449.50 km) |
| Povoa de Santa Iria to Sumner (Washington) | 5,207.98 mi (8,381.44 km) |
