| Imperial Beach to McKeesport (Pennsylvania) | 2,123.00 mi (3,416.64 km) |
| Imperial Beach to McKinleyville (California) | 695.12 mi (1,118.68 km) |
| Imperial Beach to McKinney (Texas) | 1,185.52 mi (1,907.91 km) |
| Imperial Beach to McLean (Virginia) | 2,262.86 mi (3,641.73 km) |
| Imperial Beach to McMinnville (Oregon) | 931.83 mi (1,499.63 km) |
| Imperial Beach to McMinnville (Tennessee) | 1,797.54 mi (2,892.87 km) |
| Imperial Beach to McNair (Virginia) | 2,251.18 mi (3,622.93 km) |
| Imperial Beach to McPherson (Kansas) | 1,163.18 mi (1,871.96 km) |
| Imperial Beach to Mead Valley (California) | 87.87 mi (141.41 km) |
| Imperial Beach to Meadow Woods (Florida) | 2,139.86 mi (3,443.78 km) |
| Imperial Beach to Meadowbrook (Virginia) | 2,252.10 mi (3,624.40 km) |
| Imperial Beach to Meadville (Pennsylvania) | 2,113.35 mi (3,401.12 km) |
| Imperial Beach to Mebane (North Carolina) | 2,159.42 mi (3,475.25 km) |
| Imperial Beach to Mechanicsville (Virginia) | 2,257.74 mi (3,633.48 km) |
| Imperial Beach to Medford (Massachusetts) | 2,578.82 mi (4,150.21 km) |
