| Morris to McHenry (Illinois) | 66.97 mi (107.77 km) |
| Morris to McKeesport (Pennsylvania) | 454.15 mi (730.88 km) |
| Morris to McKinleyville (California) | 1,841.68 mi (2,963.90 km) |
| Morris to McKinney (Texas) | 723.07 mi (1,163.66 km) |
| Morris to McLean (Virginia) | 616.13 mi (991.56 km) |
| Morris to McMinnville (Oregon) | 1,754.26 mi (2,823.21 km) |
| Morris to McMinnville (Tennessee) | 418.25 mi (673.10 km) |
| Morris to McNair (Virginia) | 604.95 mi (973.57 km) |
| Morris to McPherson (Kansas) | 531.26 mi (854.98 km) |
| Morris to Mead Valley (California) | 1,654.19 mi (2,662.17 km) |
| Morris to Meadow Woods (Florida) | 983.30 mi (1,582.47 km) |
| Morris to Meadowbrook (Virginia) | 644.69 mi (1,037.53 km) |
| Morris to Meadville (Pennsylvania) | 428.83 mi (690.14 km) |
| Morris to Mebane (North Carolina) | 613.56 mi (987.43 km) |
| Morris to Mechanicsville (Virginia) | 644.09 mi (1,036.56 km) |
