| Calexico to McKeesport (Pennsylvania) | 2,034.21 mi (3,273.74 km) |
| Calexico to McKinleyville (California) | 742.05 mi (1,194.22 km) |
| Calexico to McKinney (Texas) | 1,090.80 mi (1,755.47 km) |
| Calexico to McLean (Virginia) | 2,172.56 mi (3,496.40 km) |
| Calexico to McMinnville (Oregon) | 958.12 mi (1,541.95 km) |
| Calexico to McMinnville (Tennessee) | 1,704.36 mi (2,742.90 km) |
| Calexico to McNair (Virginia) | 2,160.88 mi (3,477.61 km) |
| Calexico to McPherson (Kansas) | 1,074.77 mi (1,729.68 km) |
| Calexico to Mead Valley (California) | 130.38 mi (209.83 km) |
| Calexico to Meadow Woods (Florida) | 2,045.23 mi (3,291.48 km) |
| Calexico to Meadowbrook (Virginia) | 2,160.46 mi (3,476.92 km) |
| Calexico to Meadville (Pennsylvania) | 2,026.18 mi (3,260.83 km) |
| Calexico to Mebane (North Carolina) | 2,066.71 mi (3,326.06 km) |
| Calexico to Mechanicsville (Virginia) | 2,166.27 mi (3,486.27 km) |
| Calexico to Medford (Massachusetts) | 2,492.16 mi (4,010.75 km) |
