| Columbus to McKeesport (Pennsylvania) | 167.68 mi (269.85 km) |
| Columbus to McKinleyville (California) | 2,141.31 mi (3,446.11 km) |
| Columbus to McKinney (Texas) | 890.51 mi (1,433.14 km) |
| Columbus to McLean (Virginia) | 317.13 mi (510.38 km) |
| Columbus to McMinnville (Oregon) | 2,054.66 mi (3,306.66 km) |
| Columbus to McMinnville (Tennessee) | 333.92 mi (537.39 km) |
| Columbus to McNair (Virginia) | 305.73 mi (492.02 km) |
| Columbus to McPherson (Kansas) | 792.94 mi (1,276.11 km) |
| Columbus to Mead Valley (California) | 1,929.43 mi (3,105.12 km) |
| Columbus to Meadow Woods (Florida) | 808.02 mi (1,300.38 km) |
| Columbus to Meadowbrook (Virginia) | 345.58 mi (556.16 km) |
| Columbus to Meadville (Pennsylvania) | 187.63 mi (301.95 km) |
| Columbus to Mebane (North Carolina) | 336.75 mi (541.95 km) |
| Columbus to Mechanicsville (Virginia) | 344.08 mi (553.74 km) |
| Columbus to Medford (Massachusetts) | 639.33 mi (1,028.91 km) |
