| Westerville to McHenry (Illinois) | 318.25 mi (512.17 km) |
| Westerville to McKeesport (Pennsylvania) | 162.99 mi (262.31 km) |
| Westerville to McKinleyville (California) | 2,142.09 mi (3,447.37 km) |
| Westerville to McKinney (Texas) | 897.95 mi (1,445.12 km) |
| Westerville to McLean (Virginia) | 315.81 mi (508.25 km) |
| Westerville to McMinnville (Oregon) | 2,054.00 mi (3,305.60 km) |
| Westerville to McMinnville (Tennessee) | 343.93 mi (553.51 km) |
| Westerville to McNair (Virginia) | 304.49 mi (490.03 km) |
| Westerville to McPherson (Kansas) | 796.96 mi (1,282.58 km) |
| Westerville to Mead Valley (California) | 1,933.15 mi (3,111.11 km) |
| Westerville to Meadow Woods (Florida) | 817.06 mi (1,314.94 km) |
| Westerville to Meadowbrook (Virginia) | 347.36 mi (559.02 km) |
| Westerville to Meadville (Pennsylvania) | 179.09 mi (288.22 km) |
| Westerville to Mebane (North Carolina) | 342.27 mi (550.83 km) |
| Westerville to Mechanicsville (Virginia) | 345.42 mi (555.91 km) |
