| Gary to Manassas (Virginia) | 556.16 mi (895.06 km) |
| Gary to Manassas Park (Virginia) | 557.54 mi (897.28 km) |
| Gary to Manatí (Puerto Rico) | 2,018.00 mi (3,247.65 km) |
| Gary to Manchester (Missouri) | 266.54 mi (428.96 km) |
| Gary to Manchester (New Hampshire) | 817.28 mi (1,315.29 km) |
| Gary to Manchester (Tennessee) | 428.88 mi (690.22 km) |
| Gary to Manchester (Virginia) | 593.91 mi (955.81 km) |
| Gary to Mandan (North Dakota) | 760.55 mi (1,223.98 km) |
| Gary to Mandeville (Louisiana) | 789.82 mi (1,271.09 km) |
| Gary to Mango (Florida) | 981.68 mi (1,579.86 km) |
| Gary to Manhattan (Kansas) | 514.35 mi (827.77 km) |
| Gary to Manhattan (New York) | 697.31 mi (1,122.21 km) |
| Gary to Manhattan Beach (California) | 1,767.01 mi (2,843.72 km) |
| Gary to Manitowoc (Wisconsin) | 174.15 mi (280.27 km) |
| Gary to Mankato (Minnesota) | 379.93 mi (611.44 km) |
