| Round Lake Beach to Malvern (Arkansas) | 609.54 mi (980.96 km) |
| Round Lake Beach to Manassas (Virginia) | 609.63 mi (981.10 km) |
| Round Lake Beach to Manassas Park (Virginia) | 610.85 mi (983.07 km) |
| Round Lake Beach to Manatí (Puerto Rico) | 2,083.38 mi (3,352.88 km) |
| Round Lake Beach to Manchester (Missouri) | 291.58 mi (469.25 km) |
| Round Lake Beach to Manchester (New Hampshire) | 844.66 mi (1,359.34 km) |
| Round Lake Beach to Manchester (Tennessee) | 489.80 mi (788.26 km) |
| Round Lake Beach to Manchester (Virginia) | 651.96 mi (1,049.23 km) |
| Round Lake Beach to Mandan (North Dakota) | 699.84 mi (1,126.29 km) |
| Round Lake Beach to Mandeville (Louisiana) | 836.82 mi (1,346.73 km) |
| Round Lake Beach to Mango (Florida) | 1,045.52 mi (1,682.60 km) |
| Round Lake Beach to Manhattan (Kansas) | 497.11 mi (800.03 km) |
| Round Lake Beach to Manhattan (New York) | 736.90 mi (1,185.92 km) |
| Round Lake Beach to Manhattan Beach (California) | 1,737.76 mi (2,796.66 km) |
| Round Lake Beach to Manitowoc (Wisconsin) | 120.53 mi (193.98 km) |
