| Santo Tirso to Alum Rock (California) | 5,565.15 mi (8,956.25 km) |
| Santo Tirso to Alvin (Texas) | 4,759.26 mi (7,659.29 km) |
| Santo Tirso to Amarillo (Texas) | 4,825.37 mi (7,765.68 km) |
| Santo Tirso to Amelia (Ohio) | 3,868.21 mi (6,225.29 km) |
| Santo Tirso to American Canyon (California) | 5,541.63 mi (8,918.40 km) |
| Santo Tirso to American Fork (Utah) | 5,028.85 mi (8,093.15 km) |
| Santo Tirso to Americus (Georgia) | 4,112.46 mi (6,618.37 km) |
| Santo Tirso to Ames (Iowa) | 4,194.57 mi (6,750.50 km) |
| Santo Tirso to Amherst (Ohio) | 3,699.30 mi (5,953.44 km) |
| Santo Tirso to Ammon (Idaho) | 4,898.41 mi (7,883.24 km) |
| Santo Tirso to Amsterdam (New York) | 3,280.16 mi (5,278.91 km) |
| Santo Tirso to Anacortes (Washington) | 5,050.16 mi (8,127.45 km) |
| Santo Tirso to Anaheim (California) | 5,579.44 mi (8,979.24 km) |
| Santo Tirso to Anchorage (Alaska) | 5,019.09 mi (8,077.44 km) |
| Santo Tirso to Anderson (California) | 5,430.83 mi (8,740.07 km) |
