| Santo Tirso to Mendota Heights (Minnesota) | 4,074.71 mi (6,557.62 km) |
| Santo Tirso to Menifee (California) | 5,558.76 mi (8,945.96 km) |
| Santo Tirso to Menlo Park (California) | 5,573.40 mi (8,969.52 km) |
| Santo Tirso to Menomonee Falls (Wisconsin) | 3,912.79 mi (6,297.02 km) |
| Santo Tirso to Menomonie (Wisconsin) | 4,021.69 mi (6,472.29 km) |
| Santo Tirso to Mentor (Ohio) | 3,649.05 mi (5,872.57 km) |
| Santo Tirso to Mequon (Wisconsin) | 3,903.82 mi (6,282.58 km) |
| Santo Tirso to Merced (California) | 5,516.30 mi (8,877.63 km) |
| Santo Tirso to Mercedes (Texas) | 5,022.07 mi (8,082.24 km) |
| Santo Tirso to Mercer Island (Washington) | 5,081.45 mi (8,177.81 km) |
| Santo Tirso to Mercerville (New Jersey) | 3,377.00 mi (5,434.76 km) |
| Santo Tirso to Meriden (Connecticut) | 3,250.45 mi (5,231.09 km) |
| Santo Tirso to Meridian (Idaho) | 5,061.19 mi (8,145.20 km) |
| Santo Tirso to Meridian (Mississippi) | 4,319.84 mi (6,952.11 km) |
| Santo Tirso to Merriam (Kansas) | 4,352.00 mi (7,003.87 km) |
