| Rock Island to Malvern (Arkansas) | 505.21 mi (813.06 km) |
| Rock Island to Manassas (Virginia) | 716.49 mi (1,153.08 km) |
| Rock Island to Manassas Park (Virginia) | 718.05 mi (1,155.58 km) |
| Rock Island to Manatí (Puerto Rico) | 2,133.52 mi (3,433.57 km) |
| Rock Island to Manchester (Missouri) | 199.51 mi (321.07 km) |
| Rock Island to Manchester (New Hampshire) | 982.57 mi (1,581.30 km) |
| Rock Island to Manchester (Tennessee) | 481.13 mi (774.31 km) |
| Rock Island to Manchester (Virginia) | 747.00 mi (1,202.17 km) |
| Rock Island to Mandan (North Dakota) | 630.08 mi (1,014.02 km) |
| Rock Island to Mandeville (Louisiana) | 767.07 mi (1,234.48 km) |
| Rock Island to Mango (Florida) | 1,041.86 mi (1,676.72 km) |
| Rock Island to Manhattan (Kansas) | 354.09 mi (569.85 km) |
| Rock Island to Manhattan (New York) | 864.77 mi (1,391.72 km) |
| Rock Island to Manhattan Beach (California) | 1,600.32 mi (2,575.47 km) |
| Rock Island to Manitowoc (Wisconsin) | 233.74 mi (376.16 km) |
