| Rockford to Merriam (Kansas) | 370.34 mi (596.00 km) |
| Rockford to Merrick (New York) | 809.68 mi (1,303.05 km) |
| Rockford to Merrifield (Virginia) | 662.42 mi (1,066.05 km) |
| Rockford to Merrillville (Indiana) | 104.93 mi (168.87 km) |
| Rockford to Merritt Island (Florida) | 1,072.19 mi (1,725.53 km) |
| Rockford to Mesa (Arizona) | 1,373.61 mi (2,210.61 km) |
| Rockford to Mesquite (Nevada) | 1,382.42 mi (2,224.79 km) |
| Rockford to Mesquite (Texas) | 774.34 mi (1,246.18 km) |
| Rockford to Metairie (Louisiana) | 849.47 mi (1,367.09 km) |
| Rockford to Methuen Town (Massachusetts) | 909.51 mi (1,463.71 km) |
| Rockford to Metuchen (New Jersey) | 770.10 mi (1,239.36 km) |
| Rockford to Mexico (Missouri) | 259.59 mi (417.77 km) |
| Rockford to Miami (Florida) | 1,244.41 mi (2,002.68 km) |
| Rockford to Miami (Oklahoma) | 482.86 mi (777.10 km) |
| Rockford to Miami Beach (Florida) | 1,243.91 mi (2,001.87 km) |
