| Ronkonkoma to Mattoon (Illinois) | 809.01 mi (1,301.97 km) |
| Ronkonkoma to Mauldin (South Carolina) | 650.69 mi (1,047.19 km) |
| Ronkonkoma to Maumee (Ohio) | 550.20 mi (885.47 km) |
| Ronkonkoma to Maumelle (Arkansas) | 1,126.46 mi (1,812.86 km) |
| Ronkonkoma to Mayagüez (Puerto Rico) | 1,601.63 mi (2,577.58 km) |
| Ronkonkoma to Mayfield Heights (Ohio) | 435.87 mi (701.47 km) |
| Ronkonkoma to Mays Chapel (Maryland) | 208.97 mi (336.31 km) |
| Ronkonkoma to Maywood (California) | 2,490.05 mi (4,007.34 km) |
| Ronkonkoma to Maywood (Illinois) | 766.22 mi (1,233.12 km) |
| Ronkonkoma to McAlester (Oklahoma) | 1,296.10 mi (2,085.87 km) |
| Ronkonkoma to McAllen (Texas) | 1,752.80 mi (2,820.86 km) |
| Ronkonkoma to McCalla (Alabama) | 923.72 mi (1,486.58 km) |
| Ronkonkoma to McComb (Mississippi) | 1,169.52 mi (1,882.16 km) |
| Ronkonkoma to McDonough (Georgia) | 791.24 mi (1,273.38 km) |
| Ronkonkoma to McFarland (California) | 2,498.55 mi (4,021.03 km) |
