| Barth to Mauldin (South Carolina) | 4,494.74 mi (7,233.59 km) |
| Barth to Maumee (Ohio) | 4,187.28 mi (6,738.77 km) |
| Barth to Maumelle (Arkansas) | 4,845.96 mi (7,798.81 km) |
| Barth to Mayagüez (Puerto Rico) | 4,797.24 mi (7,720.42 km) |
| Barth to Mayfield Heights (Ohio) | 4,113.45 mi (6,619.96 km) |
| Barth to Mays Chapel (Maryland) | 4,047.88 mi (6,514.44 km) |
| Barth to Maywood (California) | 5,670.14 mi (9,125.20 km) |
| Barth to Maywood (Illinois) | 4,312.41 mi (6,940.16 km) |
| Barth to McAlester (Oklahoma) | 4,954.67 mi (7,973.77 km) |
| Barth to McAllen (Texas) | 5,533.37 mi (8,905.09 km) |
| Barth to McCalla (Alabama) | 4,744.30 mi (7,635.22 km) |
| Barth to McComb (Mississippi) | 4,979.25 mi (8,013.34 km) |
| Barth to McDonough (Georgia) | 4,633.47 mi (7,456.84 km) |
| Barth to McFarland (California) | 5,591.80 mi (8,999.13 km) |
| Barth to McHenry (Illinois) | 4,303.08 mi (6,925.14 km) |
