| Povoa de Santa Iria to Stephenville (Texas) | 4,827.16 mi (7,768.56 km) |
| Povoa de Santa Iria to Sterling (Colorado) | 4,735.03 mi (7,620.30 km) |
| Povoa de Santa Iria to Sterling (Illinois) | 4,087.06 mi (6,577.48 km) |
| Povoa de Santa Iria to Sterling (Virginia) | 3,579.65 mi (5,760.90 km) |
| Povoa de Santa Iria to Sterling Heights (Michigan) | 3,754.62 mi (6,042.48 km) |
| Povoa de Santa Iria to Steubenville (Ohio) | 3,701.48 mi (5,956.96 km) |
| Povoa de Santa Iria to Stevens Point (Wisconsin) | 3,998.75 mi (6,435.37 km) |
| Povoa de Santa Iria to Stevenson Ranch (California) | 5,663.57 mi (9,114.63 km) |
| Povoa de Santa Iria to Stillwater (Minnesota) | 4,127.84 mi (6,643.12 km) |
| Povoa de Santa Iria to Stillwater (Oklahoma) | 4,624.39 mi (7,442.24 km) |
| Povoa de Santa Iria to Stockbridge (Georgia) | 4,086.87 mi (6,577.19 km) |
| Povoa de Santa Iria to Stockton (California) | 5,607.27 mi (9,024.02 km) |
| Povoa de Santa Iria to Stone Ridge (Virginia) | 3,589.15 mi (5,776.18 km) |
| Povoa de Santa Iria to Stonecrest (Georgia) | 4,076.95 mi (6,561.21 km) |
| Povoa de Santa Iria to Stony Brook (New York) | 3,320.88 mi (5,344.45 km) |
