| Rock Island to Lyndon (Kentucky) | 345.11 mi (555.41 km) |
| Rock Island to Lynn (Massachusetts) | 1,007.79 mi (1,621.88 km) |
| Rock Island to Lynn Haven (Florida) | 823.88 mi (1,325.91 km) |
| Rock Island to Lynnwood (Washington) | 1,607.29 mi (2,586.69 km) |
| Rock Island to Lynwood (California) | 1,589.28 mi (2,557.70 km) |
| Rock Island to Lyons (Illinois) | 144.64 mi (232.77 km) |
| Rock Island to Mableton (Georgia) | 622.70 mi (1,002.14 km) |
| Rock Island to Macedonia (Ohio) | 470.75 mi (757.60 km) |
| Rock Island to Machesney Park (Illinois) | 101.18 mi (162.84 km) |
| Rock Island to Mack (Ohio) | 349.82 mi (562.98 km) |
| Rock Island to Macomb (Illinois) | 69.21 mi (111.39 km) |
| Rock Island to Macon (Georgia) | 708.04 mi (1,139.48 km) |
| Rock Island to Madera (California) | 1,601.17 mi (2,576.84 km) |
| Rock Island to Madison (Alabama) | 510.94 mi (822.28 km) |
| Rock Island to Madison (Indiana) | 331.84 mi (534.04 km) |
