| Key West to Mexborough | 4,487.16 mi (7,221.39 km) |
| Key West to Mickleover | 4,481.94 mi (7,212.98 km) |
| Key West to Middlesbrough | 4,478.97 mi (7,208.20 km) |
| Key West to Middleton | 4,449.85 mi (7,161.34 km) |
| Key West to Middlewich | 4,442.57 mi (7,149.62 km) |
| Key West to Midsomer Norton | 4,458.67 mi (7,175.53 km) |
| Key West to Mildenhall | 4,573.33 mi (7,360.06 km) |
| Key West to Milford Haven | 4,345.69 mi (6,993.71 km) |
| Key West to Mill Hill | 4,550.85 mi (7,323.88 km) |
| Key West to Milngavie | 4,348.56 mi (6,998.33 km) |
| Key West to Milnrow | 4,452.45 mi (7,165.53 km) |
| Key West to Milton | 4,456.21 mi (7,171.58 km) |
| Key West to Milton Keynes | 4,523.79 mi (7,280.34 km) |
| Key West to Minehead | 4,416.91 mi (7,108.33 km) |
| Key West to Minster | 4,597.24 mi (7,398.54 km) |
