| Montecatini Terme to Marysville (California) | 5,976.37 mi (9,618.03 km) |
| Montecatini Terme to Marysville (Ohio) | 4,554.50 mi (7,329.76 km) |
| Montecatini Terme to Marysville (Washington) | 5,470.34 mi (8,803.66 km) |
| Montecatini Terme to Maryville (Missouri) | 5,009.59 mi (8,062.16 km) |
| Montecatini Terme to Maryville (Tennessee) | 4,775.27 mi (7,685.05 km) |
| Montecatini Terme to Mason (Ohio) | 4,631.10 mi (7,453.03 km) |
| Montecatini Terme to Mason City (Iowa) | 4,815.07 mi (7,749.10 km) |
| Montecatini Terme to Massapequa (New York) | 4,115.46 mi (6,623.19 km) |
| Montecatini Terme to Massapequa Park (New York) | 4,114.00 mi (6,620.84 km) |
| Montecatini Terme to Massillon (Ohio) | 4,454.70 mi (7,169.15 km) |
| Montecatini Terme to Mastic (New York) | 4,082.87 mi (6,570.74 km) |
| Montecatini Terme to Mastic Beach (New York) | 4,084.03 mi (6,572.61 km) |
| Montecatini Terme to Matteson (Illinois) | 4,677.60 mi (7,527.87 km) |
| Montecatini Terme to Matthews (North Carolina) | 4,660.13 mi (7,499.76 km) |
| Montecatini Terme to Mattoon (Illinois) | 4,792.71 mi (7,713.13 km) |
