| Rock Island to Madison (Mississippi) | 622.07 mi (1,001.12 km) |
| Rock Island to Madison (New Jersey) | 841.72 mi (1,354.61 km) |
| Rock Island to Madison (Wisconsin) | 126.92 mi (204.25 km) |
| Rock Island to Madison Heights (Michigan) | 390.60 mi (628.60 km) |
| Rock Island to Madison Heights (Virginia) | 671.61 mi (1,080.86 km) |
| Rock Island to Madisonville (Kentucky) | 329.20 mi (529.80 km) |
| Rock Island to Magalia (California) | 1,621.72 mi (2,609.91 km) |
| Rock Island to Magna (Utah) | 1,121.31 mi (1,804.57 km) |
| Rock Island to Magnolia (Arkansas) | 584.27 mi (940.29 km) |
| Rock Island to Maili (Hawaii) | 4,110.11 mi (6,614.58 km) |
| Rock Island to Maitland (Florida) | 1,027.39 mi (1,653.42 km) |
| Rock Island to Makakilo (Hawaii) | 4,107.74 mi (6,610.78 km) |
| Rock Island to Malden (Massachusetts) | 1,003.30 mi (1,614.66 km) |
| Rock Island to Malibu (California) | 1,615.45 mi (2,599.81 km) |
| Rock Island to Maltby (Washington) | 1,597.96 mi (2,571.67 km) |
