| Mill Valley to Mattoon (Illinois) | 1,835.38 mi (2,953.75 km) |
| Mill Valley to Mauldin (South Carolina) | 2,232.45 mi (3,592.78 km) |
| Mill Valley to Maumee (Ohio) | 2,063.49 mi (3,320.87 km) |
| Mill Valley to Maumelle (Arkansas) | 1,682.57 mi (2,707.83 km) |
| Mill Valley to Mayagüez (Puerto Rico) | 3,583.67 mi (5,767.37 km) |
| Mill Valley to Mayfield Heights (Ohio) | 2,177.44 mi (3,504.25 km) |
| Mill Valley to Mays Chapel (Maryland) | 2,450.78 mi (3,944.15 km) |
| Mill Valley to Maywood (California) | 364.16 mi (586.05 km) |
| Mill Valley to Maywood (Illinois) | 1,846.91 mi (2,972.31 km) |
| Mill Valley to McAlester (Oklahoma) | 1,497.33 mi (2,409.71 km) |
| Mill Valley to McAllen (Texas) | 1,628.27 mi (2,620.45 km) |
| Mill Valley to McCalla (Alabama) | 2,007.84 mi (3,231.30 km) |
| Mill Valley to McComb (Mississippi) | 1,871.65 mi (3,012.13 km) |
| Mill Valley to McDonough (Georgia) | 2,161.50 mi (3,478.59 km) |
| Mill Valley to McFarland (California) | 238.94 mi (384.53 km) |
