| Santo Tirso to Sugar Hill (Georgia) | 4,030.00 mi (6,485.65 km) |
| Santo Tirso to Sugar Land (Texas) | 4,767.30 mi (7,672.23 km) |
| Santo Tirso to Sugarland Run (Virginia) | 3,541.68 mi (5,699.78 km) |
| Santo Tirso to Sugarmill Woods (Florida) | 4,152.12 mi (6,682.19 km) |
| Santo Tirso to Suisun City (California) | 5,528.84 mi (8,897.81 km) |
| Santo Tirso to Suitland (Maryland) | 3,525.29 mi (5,673.41 km) |
| Santo Tirso to Sulphur (Louisiana) | 4,631.17 mi (7,453.15 km) |
| Santo Tirso to Sulphur Springs (Texas) | 4,622.14 mi (7,438.62 km) |
| Santo Tirso to Summerfield (Maryland) | 3,520.98 mi (5,666.47 km) |
| Santo Tirso to Summerfield (North Carolina) | 3,754.52 mi (6,042.31 km) |
| Santo Tirso to Summerlin South (Nevada) | 5,367.11 mi (8,637.53 km) |
| Santo Tirso to Summerville (South Carolina) | 3,878.22 mi (6,241.39 km) |
| Santo Tirso to Summit (Illinois) | 3,943.28 mi (6,346.10 km) |
| Santo Tirso to Summit (New Jersey) | 3,347.86 mi (5,387.86 km) |
| Santo Tirso to Sumner (Washington) | 5,098.26 mi (8,204.85 km) |
