| Round Lake Beach to Maricopa (Arizona) | 1,451.16 mi (2,335.41 km) |
| Round Lake Beach to Marietta (Georgia) | 612.93 mi (986.41 km) |
| Round Lake Beach to Marietta (Ohio) | 401.98 mi (646.93 km) |
| Round Lake Beach to Marina (California) | 1,826.31 mi (2,939.17 km) |
| Round Lake Beach to Marinette (Wisconsin) | 188.43 mi (303.25 km) |
| Round Lake Beach to Marion (Arkansas) | 508.77 mi (818.79 km) |
| Round Lake Beach to Marion (Illinois) | 324.12 mi (521.62 km) |
| Round Lake Beach to Marion (Indiana) | 177.99 mi (286.45 km) |
| Round Lake Beach to Marion (Iowa) | 180.78 mi (290.93 km) |
| Round Lake Beach to Marion (Ohio) | 284.57 mi (457.97 km) |
| Round Lake Beach to Marion Oaks (Florida) | 980.91 mi (1,578.62 km) |
| Round Lake Beach to Markham (Illinois) | 57.45 mi (92.45 km) |
| Round Lake Beach to Marlborough (Massachusetts) | 842.77 mi (1,356.30 km) |
| Round Lake Beach to Marlton (New Jersey) | 704.62 mi (1,133.98 km) |
| Round Lake Beach to Marquette (Michigan) | 289.67 mi (466.18 km) |
