| Santo Tirso to Superior (Colorado) | 4,773.90 mi (7,682.86 km) |
| Santo Tirso to Superior (Wisconsin) | 3,970.18 mi (6,389.38 km) |
| Santo Tirso to Surprise (Arizona) | 5,359.50 mi (8,625.28 km) |
| Santo Tirso to Susanville (California) | 5,369.78 mi (8,641.83 km) |
| Santo Tirso to Sussex (Wisconsin) | 3,917.70 mi (6,304.92 km) |
| Santo Tirso to Suwanee (Georgia) | 4,032.68 mi (6,489.96 km) |
| Santo Tirso to Swansea (Illinois) | 4,153.85 mi (6,684.97 km) |
| Santo Tirso to Sweetwater (Florida) | 4,158.47 mi (6,692.41 km) |
| Santo Tirso to Sweetwater (Texas) | 4,874.13 mi (7,844.15 km) |
| Santo Tirso to Sycamore (Illinois) | 3,975.58 mi (6,398.08 km) |
| Santo Tirso to Sylacauga (Alabama) | 4,171.62 mi (6,713.57 km) |
| Santo Tirso to Sylvania (Ohio) | 3,758.22 mi (6,048.26 km) |
| Santo Tirso to Syosset (New York) | 3,303.69 mi (5,316.77 km) |
| Santo Tirso to Syracuse (New York) | 3,369.02 mi (5,421.92 km) |
| Santo Tirso to Syracuse (Utah) | 5,008.36 mi (8,060.18 km) |
