| Rockford to Mendota (California) | 1,701.80 mi (2,738.78 km) |
| Rockford to Mendota Heights (Minnesota) | 272.79 mi (439.02 km) |
| Rockford to Menifee (California) | 1,632.74 mi (2,627.65 km) |
| Rockford to Menlo Park (California) | 1,774.93 mi (2,856.47 km) |
| Rockford to Menomonee Falls (Wisconsin) | 77.83 mi (125.26 km) |
| Rockford to Menomonie (Wisconsin) | 230.80 mi (371.44 km) |
| Rockford to Mentor (Ohio) | 398.76 mi (641.75 km) |
| Rockford to Mequon (Wisconsin) | 86.87 mi (139.81 km) |
| Rockford to Merced (California) | 1,692.64 mi (2,724.03 km) |
| Rockford to Mercedes (Texas) | 1,220.60 mi (1,964.37 km) |
| Rockford to Mercer Island (Washington) | 1,650.39 mi (2,656.04 km) |
| Rockford to Mercerville (New Jersey) | 758.64 mi (1,220.91 km) |
| Rockford to Meriden (Connecticut) | 836.92 mi (1,346.90 km) |
| Rockford to Meridian (Idaho) | 1,379.56 mi (2,220.19 km) |
| Rockford to Meridian (Mississippi) | 682.60 mi (1,098.55 km) |
