| Sleaford to McKeesport (Pennsylvania) | 3,665.44 mi (5,898.96 km) |
| Sleaford to McKinleyville (California) | 5,130.59 mi (8,256.89 km) |
| Sleaford to McKinney (Texas) | 4,664.85 mi (7,507.36 km) |
| Sleaford to McLean (Virginia) | 3,626.19 mi (5,835.79 km) |
| Sleaford to McMinnville (Oregon) | 4,856.80 mi (7,816.26 km) |
| Sleaford to McMinnville (Tennessee) | 4,121.17 mi (6,632.38 km) |
| Sleaford to McNair (Virginia) | 3,634.45 mi (5,849.09 km) |
| Sleaford to McPherson (Kansas) | 4,431.51 mi (7,131.83 km) |
| Sleaford to Mead Valley (California) | 5,345.72 mi (8,603.11 km) |
| Sleaford to Meadow Woods (Florida) | 4,313.14 mi (6,941.33 km) |
| Sleaford to Meadowbrook (Virginia) | 3,708.42 mi (5,968.13 km) |
| Sleaford to Meadville (Pennsylvania) | 3,616.93 mi (5,820.88 km) |
| Sleaford to Mebane (North Carolina) | 3,844.63 mi (6,187.34 km) |
| Sleaford to Mechanicsville (Virginia) | 3,694.43 mi (5,945.61 km) |
| Sleaford to Medford (Massachusetts) | 3,227.79 mi (5,194.63 km) |
