| Round Lake Beach to Mendota (California) | 1,752.29 mi (2,820.04 km) |
| Round Lake Beach to Mendota Heights (Minnesota) | 306.34 mi (493.01 km) |
| Round Lake Beach to Menifee (California) | 1,683.59 mi (2,709.48 km) |
| Round Lake Beach to Menlo Park (California) | 1,825.05 mi (2,937.14 km) |
| Round Lake Beach to Menomonee Falls (Wisconsin) | 53.22 mi (85.64 km) |
| Round Lake Beach to Menomonie (Wisconsin) | 258.23 mi (415.58 km) |
| Round Lake Beach to Mentor (Ohio) | 349.31 mi (562.16 km) |
| Round Lake Beach to Mequon (Wisconsin) | 59.36 mi (95.52 km) |
| Round Lake Beach to Merced (California) | 1,742.97 mi (2,805.04 km) |
| Round Lake Beach to Mercedes (Texas) | 1,251.68 mi (2,014.39 km) |
| Round Lake Beach to Mercer Island (Washington) | 1,692.83 mi (2,724.35 km) |
| Round Lake Beach to Mercerville (New Jersey) | 709.72 mi (1,142.19 km) |
| Round Lake Beach to Meriden (Connecticut) | 786.51 mi (1,265.77 km) |
| Round Lake Beach to Meridian (Idaho) | 1,426.58 mi (2,295.87 km) |
| Round Lake Beach to Meridian (Mississippi) | 691.36 mi (1,112.63 km) |
