| Povoa de Santa Iria to Storm Lake (Iowa) | 4,309.44 mi (6,935.38 km) |
| Povoa de Santa Iria to Storrs (Connecticut) | 3,257.50 mi (5,242.43 km) |
| Povoa de Santa Iria to Stoughton (Wisconsin) | 4,031.21 mi (6,487.60 km) |
| Povoa de Santa Iria to Stow (Ohio) | 3,717.00 mi (5,981.93 km) |
| Povoa de Santa Iria to Streamwood (Illinois) | 4,010.25 mi (6,453.87 km) |
| Povoa de Santa Iria to Streator (Illinois) | 4,067.74 mi (6,546.39 km) |
| Povoa de Santa Iria to Streetsboro (Ohio) | 3,711.04 mi (5,972.35 km) |
| Povoa de Santa Iria to Strongsville (Ohio) | 3,732.25 mi (6,006.47 km) |
| Povoa de Santa Iria to Stuart (Florida) | 4,098.63 mi (6,596.10 km) |
| Povoa de Santa Iria to Stuarts Draft (Virginia) | 3,687.72 mi (5,934.82 km) |
| Povoa de Santa Iria to Sturgis (Michigan) | 3,888.26 mi (6,257.55 km) |
| Povoa de Santa Iria to Suamico (Wisconsin) | 3,929.19 mi (6,323.42 km) |
| Povoa de Santa Iria to Sudley (Virginia) | 3,590.05 mi (5,777.62 km) |
| Povoa de Santa Iria to Suffern (New York) | 3,365.75 mi (5,416.65 km) |
| Povoa de Santa Iria to Suffolk (Virginia) | 3,605.45 mi (5,802.40 km) |
