| Rockford to Mount Washington (Kentucky) | 345.20 mi (555.55 km) |
| Rockford to Mountain Brook (Alabama) | 619.16 mi (996.44 km) |
| Rockford to Mountain Home (Arkansas) | 446.08 mi (717.89 km) |
| Rockford to Mountain Home (Idaho) | 1,348.09 mi (2,169.55 km) |
| Rockford to Mountain House (California) | 1,735.74 mi (2,793.41 km) |
| Rockford to Mountain Park (Georgia) | 639.99 mi (1,029.97 km) |
| Rockford to Mountain Top (Pennsylvania) | 682.63 mi (1,098.59 km) |
| Rockford to Mountain View (California) | 1,772.16 mi (2,852.01 km) |
| Rockford to Mountlake Terrace (Washington) | 1,654.10 mi (2,662.02 km) |
| Rockford to Mukilteo (Washington) | 1,654.06 mi (2,661.95 km) |
| Rockford to Muncie (Indiana) | 237.91 mi (382.89 km) |
| Rockford to Mundelein (Illinois) | 53.89 mi (86.72 km) |
| Rockford to Munhall (Pennsylvania) | 492.35 mi (792.36 km) |
| Rockford to Munster (Indiana) | 94.13 mi (151.49 km) |
| Rockford to Murfreesboro (Tennessee) | 465.15 mi (748.59 km) |
