| South El Monte to McHenry (Illinois) | 1,703.81 mi (2,742.01 km) |
| South El Monte to McKeesport (Pennsylvania) | 2,130.01 mi (3,427.92 km) |
| South El Monte to McKinleyville (California) | 579.97 mi (933.38 km) |
| South El Monte to McKinney (Texas) | 1,229.28 mi (1,978.34 km) |
| South El Monte to McLean (Virginia) | 2,275.08 mi (3,661.38 km) |
| South El Monte to McMinnville (Oregon) | 817.87 mi (1,316.24 km) |
| South El Monte to McMinnville (Tennessee) | 1,824.50 mi (2,936.24 km) |
| South El Monte to McNair (Virginia) | 2,263.40 mi (3,642.59 km) |
| South El Monte to McPherson (Kansas) | 1,172.44 mi (1,886.86 km) |
| South El Monte to Mead Valley (California) | 46.22 mi (74.39 km) |
| South El Monte to Meadow Woods (Florida) | 2,192.12 mi (3,527.88 km) |
| South El Monte to Meadowbrook (Virginia) | 2,269.94 mi (3,653.11 km) |
| South El Monte to Meadville (Pennsylvania) | 2,115.18 mi (3,404.05 km) |
| South El Monte to Mebane (North Carolina) | 2,182.80 mi (3,512.87 km) |
| South El Monte to Mechanicsville (Virginia) | 2,274.84 mi (3,660.99 km) |
