| Rockford to Mankato (Minnesota) | 280.39 mi (451.24 km) |
| Rockford to Manor (Texas) | 946.57 mi (1,523.35 km) |
| Rockford to Manorville (New York) | 845.55 mi (1,360.79 km) |
| Rockford to Mansfield (Ohio) | 353.48 mi (568.87 km) |
| Rockford to Mansfield (Texas) | 801.51 mi (1,289.90 km) |
| Rockford to Manteca (California) | 1,718.84 mi (2,766.21 km) |
| Rockford to Manville (New Jersey) | 758.56 mi (1,220.78 km) |
| Rockford to Maple Grove (Minnesota) | 294.98 mi (474.72 km) |
| Rockford to Maple Heights (Ohio) | 390.48 mi (628.42 km) |
| Rockford to Maple Valley (Washington) | 1,641.19 mi (2,641.23 km) |
| Rockford to Mapleton (Utah) | 1,176.25 mi (1,892.99 km) |
| Rockford to Maplewood (Minnesota) | 273.22 mi (439.70 km) |
| Rockford to Marana (Arizona) | 1,384.37 mi (2,227.93 km) |
| Rockford to Marco Island (Florida) | 1,202.97 mi (1,935.99 km) |
| Rockford to Margate (Florida) | 1,214.71 mi (1,954.88 km) |
