| Boerne to Mauldin (South Carolina) | 1,018.21 mi (1,638.64 km) |
| Boerne to Maumee (Ohio) | 1,170.54 mi (1,883.79 km) |
| Boerne to Maumelle (Arkansas) | 508.85 mi (818.92 km) |
| Boerne to Mayagüez (Puerto Rico) | 2,139.63 mi (3,443.40 km) |
| Boerne to Mayfield Heights (Ohio) | 1,259.80 mi (2,027.46 km) |
| Boerne to Mays Chapel (Maryland) | 1,416.10 mi (2,278.99 km) |
| Boerne to Maywood (California) | 1,175.91 mi (1,892.44 km) |
| Boerne to Maywood (Illinois) | 1,032.58 mi (1,661.78 km) |
| Boerne to McAlester (Oklahoma) | 394.83 mi (635.42 km) |
| Boerne to McAllen (Texas) | 247.69 mi (398.62 km) |
| Boerne to McCalla (Alabama) | 729.98 mi (1,174.78 km) |
| Boerne to McComb (Mississippi) | 501.63 mi (807.29 km) |
| Boerne to McDonough (Georgia) | 893.31 mi (1,437.65 km) |
| Boerne to McFarland (California) | 1,256.94 mi (2,022.84 km) |
| Boerne to McHenry (Illinois) | 1,043.21 mi (1,678.88 km) |
