| Povoa de Santa Iria to Superior (Colorado) | 4,847.48 mi (7,801.26 km) |
| Povoa de Santa Iria to Superior (Wisconsin) | 4,046.32 mi (6,511.92 km) |
| Povoa de Santa Iria to Surprise (Arizona) | 5,429.36 mi (8,737.70 km) |
| Povoa de Santa Iria to Susanville (California) | 5,465.08 mi (8,795.19 km) |
| Povoa de Santa Iria to Sussex (Wisconsin) | 3,979.33 mi (6,404.11 km) |
| Povoa de Santa Iria to Suwanee (Georgia) | 4,061.39 mi (6,536.18 km) |
| Povoa de Santa Iria to Swansea (Illinois) | 4,204.03 mi (6,765.73 km) |
| Povoa de Santa Iria to Sweetwater (Florida) | 4,156.58 mi (6,689.37 km) |
| Povoa de Santa Iria to Sweetwater (Texas) | 4,922.74 mi (7,922.38 km) |
| Povoa de Santa Iria to Sycamore (Illinois) | 4,034.31 mi (6,492.60 km) |
| Povoa de Santa Iria to Sylacauga (Alabama) | 4,200.93 mi (6,760.75 km) |
| Povoa de Santa Iria to Sylvania (Ohio) | 3,810.40 mi (6,132.25 km) |
| Povoa de Santa Iria to Syosset (New York) | 3,341.40 mi (5,377.46 km) |
| Povoa de Santa Iria to Syracuse (New York) | 3,417.64 mi (5,500.15 km) |
| Povoa de Santa Iria to Syracuse (Utah) | 5,093.60 mi (8,197.36 km) |
