| Santo Tirso to Monticello (Minnesota) | 4,088.64 mi (6,580.04 km) |
| Santo Tirso to Montrose (Colorado) | 4,950.16 mi (7,966.51 km) |
| Santo Tirso to Moody (Alabama) | 4,167.57 mi (6,707.05 km) |
| Santo Tirso to Moore (Oklahoma) | 4,621.60 mi (7,437.74 km) |
| Santo Tirso to Moorestown-Lenola (New Jersey) | 3,397.82 mi (5,468.27 km) |
| Santo Tirso to Mooresville (North Carolina) | 3,820.45 mi (6,148.42 km) |
| Santo Tirso to Moorhead (Minnesota) | 4,157.55 mi (6,690.93 km) |
| Santo Tirso to Moorpark (California) | 5,599.57 mi (9,011.63 km) |
| Santo Tirso to Moraga (California) | 5,553.10 mi (8,936.85 km) |
| Santo Tirso to Moreno Valley (California) | 5,548.40 mi (8,929.28 km) |
| Santo Tirso to Morgan City (Louisiana) | 4,546.66 mi (7,317.15 km) |
| Santo Tirso to Morgan Hill (California) | 5,569.86 mi (8,963.82 km) |
| Santo Tirso to Morganton (North Carolina) | 3,857.77 mi (6,208.49 km) |
| Santo Tirso to Morgantown (West Virginia) | 3,646.17 mi (5,867.94 km) |
| Santo Tirso to Morris (Illinois) | 3,984.90 mi (6,413.07 km) |
