| Round Lake Beach to Middletown (New York) | 704.41 mi (1,133.64 km) |
| Round Lake Beach to Middletown (Ohio) | 277.58 mi (446.71 km) |
| Round Lake Beach to Midland (Michigan) | 212.65 mi (342.22 km) |
| Round Lake Beach to Midland (Texas) | 1,050.15 mi (1,690.05 km) |
| Round Lake Beach to Midlothian (Illinois) | 55.20 mi (88.84 km) |
| Round Lake Beach to Midlothian (Texas) | 840.32 mi (1,352.36 km) |
| Round Lake Beach to Midlothian (Virginia) | 647.06 mi (1,041.34 km) |
| Round Lake Beach to Midvale (Utah) | 1,234.20 mi (1,986.25 km) |
| Round Lake Beach to Midway (Florida) | 828.58 mi (1,333.47 km) |
| Round Lake Beach to Midwest City (Oklahoma) | 690.38 mi (1,111.05 km) |
| Round Lake Beach to Milford (Delaware) | 704.76 mi (1,134.21 km) |
| Round Lake Beach to Milford city (Connecticut) | 776.61 mi (1,249.83 km) |
| Round Lake Beach to Milford Mill (Maryland) | 626.70 mi (1,008.58 km) |
| Round Lake Beach to Mililani Mauka (Hawaii) | 4,223.56 mi (6,797.16 km) |
| Round Lake Beach to Mililani Town (Hawaii) | 4,225.80 mi (6,800.77 km) |
