| Santo Tirso to Morristown (New Jersey) | 3,351.00 mi (5,392.91 km) |
| Santo Tirso to Morristown (Tennessee) | 3,919.51 mi (6,307.84 km) |
| Santo Tirso to Morrisville (North Carolina) | 3,714.35 mi (5,977.67 km) |
| Santo Tirso to Morro Bay (California) | 5,625.81 mi (9,053.87 km) |
| Santo Tirso to Morton (Illinois) | 4,057.81 mi (6,530.41 km) |
| Santo Tirso to Morton Grove (Illinois) | 3,933.76 mi (6,330.78 km) |
| Santo Tirso to Moscow (Idaho) | 4,940.14 mi (7,950.39 km) |
| Santo Tirso to Moses Lake (Washington) | 5,001.70 mi (8,049.46 km) |
| Santo Tirso to Moss Bluff (Louisiana) | 4,620.79 mi (7,436.44 km) |
| Santo Tirso to Moss Point (Mississippi) | 4,387.48 mi (7,060.96 km) |
| Santo Tirso to Moultrie (Georgia) | 4,123.94 mi (6,636.84 km) |
| Santo Tirso to Mounds View (Minnesota) | 4,069.99 mi (6,550.01 km) |
| Santo Tirso to Mount Airy (North Carolina) | 3,779.04 mi (6,081.78 km) |
| Santo Tirso to Mount Clemens (Michigan) | 3,693.08 mi (5,943.44 km) |
| Santo Tirso to Mount Dora (Florida) | 4,105.14 mi (6,606.58 km) |
