| Le Mars to McKeesport (Pennsylvania) | 859.41 mi (1,383.09 km) |
| Le Mars to McKinleyville (California) | 1,435.22 mi (2,309.77 km) |
| Le Mars to McKinney (Texas) | 662.41 mi (1,066.05 km) |
| Le Mars to McLean (Virginia) | 1,024.09 mi (1,648.12 km) |
| Le Mars to McMinnville (Oregon) | 1,347.01 mi (2,167.80 km) |
| Le Mars to McMinnville (Tennessee) | 740.32 mi (1,191.43 km) |
| Le Mars to McNair (Virginia) | 1,013.01 mi (1,630.29 km) |
| Le Mars to McPherson (Kansas) | 314.50 mi (506.13 km) |
| Le Mars to Mead Valley (California) | 1,295.76 mi (2,085.32 km) |
| Le Mars to Meadow Woods (Florida) | 1,294.24 mi (2,082.88 km) |
| Le Mars to Meadowbrook (Virginia) | 1,052.32 mi (1,693.55 km) |
| Le Mars to Meadville (Pennsylvania) | 822.60 mi (1,323.85 km) |
| Le Mars to Mebane (North Carolina) | 1,011.03 mi (1,627.10 km) |
| Le Mars to Mechanicsville (Virginia) | 1,052.18 mi (1,693.31 km) |
| Le Mars to Medford (Massachusetts) | 1,270.26 mi (2,044.28 km) |
