| Santo Tirso to Storm Lake (Iowa) | 4,241.33 mi (6,825.76 km) |
| Santo Tirso to Storrs (Connecticut) | 3,217.41 mi (5,177.93 km) |
| Santo Tirso to Stoughton (Wisconsin) | 3,969.10 mi (6,387.65 km) |
| Santo Tirso to Stow (Ohio) | 3,669.12 mi (5,904.88 km) |
| Santo Tirso to Streamwood (Illinois) | 3,952.02 mi (6,360.17 km) |
| Santo Tirso to Streator (Illinois) | 4,011.43 mi (6,455.78 km) |
| Santo Tirso to Streetsboro (Ohio) | 3,663.06 mi (5,895.12 km) |
| Santo Tirso to Strongsville (Ohio) | 3,683.47 mi (5,927.98 km) |
| Santo Tirso to Stuart (Florida) | 4,096.56 mi (6,592.78 km) |
| Santo Tirso to Stuarts Draft (Virginia) | 3,653.23 mi (5,879.30 km) |
| Santo Tirso to Sturgis (Michigan) | 3,833.86 mi (6,170.00 km) |
| Santo Tirso to Suamico (Wisconsin) | 3,863.17 mi (6,217.18 km) |
| Santo Tirso to Sudley (Virginia) | 3,554.88 mi (5,721.02 km) |
| Santo Tirso to Suffern (New York) | 3,326.24 mi (5,353.06 km) |
| Santo Tirso to Suffolk (Virginia) | 3,578.55 mi (5,759.12 km) |
