| New Lenox to Mattoon (Illinois) | 141.91 mi (228.38 km) |
| New Lenox to Mauldin (South Carolina) | 557.26 mi (896.83 km) |
| New Lenox to Maumee (Ohio) | 222.74 mi (358.47 km) |
| New Lenox to Maumelle (Arkansas) | 518.90 mi (835.09 km) |
| New Lenox to Mayagüez (Puerto Rico) | 2,025.93 mi (3,260.42 km) |
| New Lenox to Mayfield Heights (Ohio) | 337.09 mi (542.49 km) |
| New Lenox to Mays Chapel (Maryland) | 611.46 mi (984.05 km) |
| New Lenox to Maywood (California) | 1,720.56 mi (2,768.97 km) |
| New Lenox to Maywood (Illinois) | 26.40 mi (42.49 km) |
| New Lenox to McAlester (Oklahoma) | 621.04 mi (999.46 km) |
| New Lenox to McAllen (Texas) | 1,207.33 mi (1,943.01 km) |
| New Lenox to McCalla (Alabama) | 569.39 mi (916.35 km) |
| New Lenox to McComb (Mississippi) | 722.69 mi (1,163.05 km) |
| New Lenox to McDonough (Georgia) | 595.44 mi (958.27 km) |
| New Lenox to McFarland (California) | 1,725.97 mi (2,777.68 km) |
