| Key Biscayne to Mirfield | 4,344.30 mi (6,991.48 km) |
| Key Biscayne to Mitcham | 4,431.10 mi (7,131.17 km) |
| Key Biscayne to Mold | 4,289.46 mi (6,903.23 km) |
| Key Biscayne to Molesey | 4,422.11 mi (7,116.70 km) |
| Key Biscayne to Monkseaton | 4,342.09 mi (6,987.92 km) |
| Key Biscayne to Monmouth | 4,317.94 mi (6,949.05 km) |
| Key Biscayne to Montrose | 4,291.47 mi (6,906.45 km) |
| Key Biscayne to Morden | 4,429.26 mi (7,128.20 km) |
| Key Biscayne to Morecambe | 4,293.38 mi (6,909.52 km) |
| Key Biscayne to Moreton | 4,288.58 mi (6,901.80 km) |
| Key Biscayne to Morley | 4,347.22 mi (6,996.17 km) |
| Key Biscayne to Morpeth | 4,332.01 mi (6,971.69 km) |
| Key Biscayne to Morriston | 4,267.39 mi (6,867.70 km) |
| Key Biscayne to Mosbrough | 4,360.80 mi (7,018.03 km) |
| Key Biscayne to Mossley | 4,331.49 mi (6,970.86 km) |
