| East Islip to Mauldin (South Carolina) | 644.86 mi (1,037.79 km) |
| East Islip to Maumee (Ohio) | 547.85 mi (881.68 km) |
| East Islip to Maumelle (Arkansas) | 1,121.90 mi (1,805.53 km) |
| East Islip to Mayagüez (Puerto Rico) | 1,597.24 mi (2,570.51 km) |
| East Islip to Mayfield Heights (Ohio) | 433.56 mi (697.74 km) |
| East Islip to Mays Chapel (Maryland) | 203.72 mi (327.86 km) |
| East Islip to Maywood (California) | 2,487.17 mi (4,002.71 km) |
| East Islip to Maywood (Illinois) | 764.01 mi (1,229.56 km) |
| East Islip to McAlester (Oklahoma) | 1,291.88 mi (2,079.08 km) |
| East Islip to McAllen (Texas) | 1,747.43 mi (2,812.22 km) |
| East Islip to McCalla (Alabama) | 918.22 mi (1,477.73 km) |
| East Islip to McComb (Mississippi) | 1,164.06 mi (1,873.38 km) |
| East Islip to McDonough (Georgia) | 785.42 mi (1,264.01 km) |
| East Islip to McFarland (California) | 2,495.99 mi (4,016.91 km) |
| East Islip to McHenry (Illinois) | 788.16 mi (1,268.43 km) |
