| Rockford to Montgomeryville (Pennsylvania) | 730.47 mi (1,175.58 km) |
| Rockford to Monticello (Minnesota) | 315.99 mi (508.53 km) |
| Rockford to Montrose (Colorado) | 1,021.18 mi (1,643.43 km) |
| Rockford to Moody (Alabama) | 614.47 mi (988.90 km) |
| Rockford to Moore (Oklahoma) | 658.48 mi (1,059.72 km) |
| Rockford to Moorestown-Lenola (New Jersey) | 749.95 mi (1,206.92 km) |
| Rockford to Mooresville (North Carolina) | 638.73 mi (1,027.94 km) |
| Rockford to Moorhead (Minnesota) | 493.92 mi (794.89 km) |
| Rockford to Moorpark (California) | 1,698.11 mi (2,732.84 km) |
| Rockford to Moraga (California) | 1,763.42 mi (2,837.95 km) |
| Rockford to Moreno Valley (California) | 1,625.84 mi (2,616.53 km) |
| Rockford to Morgan City (Louisiana) | 875.54 mi (1,409.04 km) |
| Rockford to Morgan Hill (California) | 1,756.57 mi (2,826.93 km) |
| Rockford to Morganton (North Carolina) | 598.85 mi (963.76 km) |
| Rockford to Morgantown (West Virginia) | 508.79 mi (818.81 km) |
