| Keene to McKeesport (Pennsylvania) | 428.95 mi (690.33 km) |
| Keene to McKinleyville (California) | 2,622.16 mi (4,219.96 km) |
| Keene to McKinney (Texas) | 1,479.16 mi (2,380.47 km) |
| Keene to McLean (Virginia) | 376.49 mi (605.90 km) |
| Keene to McMinnville (Oregon) | 2,488.61 mi (4,005.04 km) |
| Keene to McMinnville (Tennessee) | 876.40 mi (1,410.42 km) |
| Keene to McNair (Virginia) | 383.86 mi (617.77 km) |
| Keene to McPherson (Kansas) | 1,360.71 mi (2,189.86 km) |
| Keene to Mead Valley (California) | 2,484.79 mi (3,998.89 km) |
| Keene to Meadow Woods (Florida) | 1,126.48 mi (1,812.90 km) |
| Keene to Meadowbrook (Virginia) | 468.84 mi (754.52 km) |
| Keene to Meadville (Pennsylvania) | 410.81 mi (661.14 km) |
| Keene to Mebane (North Carolina) | 602.10 mi (968.99 km) |
| Keene to Mechanicsville (Virginia) | 453.99 mi (730.63 km) |
| Keene to Medford (Massachusetts) | 70.57 mi (113.57 km) |
