| Quarteira to Marysville (California) | 5,686.15 mi (9,150.98 km) |
| Quarteira to Marysville (Ohio) | 3,939.80 mi (6,340.50 km) |
| Quarteira to Marysville (Washington) | 5,294.58 mi (8,520.80 km) |
| Quarteira to Maryville (Missouri) | 4,482.80 mi (7,214.38 km) |
| Quarteira to Maryville (Tennessee) | 4,098.94 mi (6,596.61 km) |
| Quarteira to Mason (Ohio) | 4,009.73 mi (6,453.04 km) |
| Quarteira to Mason City (Iowa) | 4,317.24 mi (6,947.93 km) |
| Quarteira to Massapequa (New York) | 3,442.89 mi (5,540.80 km) |
| Quarteira to Massapequa Park (New York) | 3,441.54 mi (5,538.63 km) |
| Quarteira to Massillon (Ohio) | 3,836.09 mi (6,173.59 km) |
| Quarteira to Mastic (New York) | 3,408.86 mi (5,486.03 km) |
| Quarteira to Mastic Beach (New York) | 3,409.23 mi (5,486.63 km) |
| Quarteira to Matteson (Illinois) | 4,113.99 mi (6,620.82 km) |
| Quarteira to Matthews (North Carolina) | 3,951.42 mi (6,359.20 km) |
| Quarteira to Mattoon (Illinois) | 4,202.82 mi (6,763.78 km) |
