| Chicago Heights to Mauldin (South Carolina) | 547.46 mi (881.05 km) |
| Chicago Heights to Maumee (Ohio) | 205.38 mi (330.53 km) |
| Chicago Heights to Maumelle (Arkansas) | 527.61 mi (849.10 km) |
| Chicago Heights to Mayagüez (Puerto Rico) | 2,014.03 mi (3,241.27 km) |
| Chicago Heights to Mayfield Heights (Ohio) | 319.72 mi (514.54 km) |
| Chicago Heights to Mays Chapel (Maryland) | 594.36 mi (956.53 km) |
| Chicago Heights to Maywood (California) | 1,737.79 mi (2,796.69 km) |
| Chicago Heights to Maywood (Illinois) | 27.75 mi (44.65 km) |
| Chicago Heights to McAlester (Oklahoma) | 633.58 mi (1,019.64 km) |
| Chicago Heights to McAllen (Texas) | 1,216.73 mi (1,958.15 km) |
| Chicago Heights to McCalla (Alabama) | 568.06 mi (914.21 km) |
| Chicago Heights to McComb (Mississippi) | 726.52 mi (1,169.23 km) |
| Chicago Heights to McDonough (Georgia) | 589.28 mi (948.35 km) |
| Chicago Heights to McFarland (California) | 1,743.32 mi (2,805.60 km) |
| Chicago Heights to McHenry (Illinois) | 66.52 mi (107.05 km) |
