| Rockford to Malvern (Arkansas) | 581.53 mi (935.88 km) |
| Rockford to Manassas (Virginia) | 654.29 mi (1,052.98 km) |
| Rockford to Manassas Park (Virginia) | 655.60 mi (1,055.08 km) |
| Rockford to Manatí (Puerto Rico) | 2,112.97 mi (3,400.50 km) |
| Rockford to Manchester (Missouri) | 265.10 mi (426.64 km) |
| Rockford to Manchester (New Hampshire) | 895.54 mi (1,441.24 km) |
| Rockford to Manchester (Tennessee) | 496.24 mi (798.62 km) |
| Rockford to Manchester (Virginia) | 693.42 mi (1,115.95 km) |
| Rockford to Mandan (North Dakota) | 661.32 mi (1,064.29 km) |
| Rockford to Mandeville (Louisiana) | 823.11 mi (1,324.66 km) |
| Rockford to Mango (Florida) | 1,056.29 mi (1,699.93 km) |
| Rockford to Manhattan (Kansas) | 448.02 mi (721.02 km) |
| Rockford to Manhattan (New York) | 786.59 mi (1,265.90 km) |
| Rockford to Manhattan Beach (California) | 1,686.88 mi (2,714.77 km) |
| Rockford to Manitowoc (Wisconsin) | 144.93 mi (233.25 km) |
