| Ronkonkoma to McHenry (Illinois) | 790.14 mi (1,271.60 km) |
| Ronkonkoma to McKeesport (Pennsylvania) | 354.00 mi (569.71 km) |
| Ronkonkoma to McKinleyville (California) | 2,623.22 mi (4,221.66 km) |
| Ronkonkoma to McKinney (Texas) | 1,395.71 mi (2,246.17 km) |
| Ronkonkoma to McLean (Virginia) | 251.13 mi (404.16 km) |
| Ronkonkoma to McMinnville (Oregon) | 2,507.12 mi (4,034.83 km) |
| Ronkonkoma to McMinnville (Tennessee) | 771.40 mi (1,241.46 km) |
| Ronkonkoma to McNair (Virginia) | 260.82 mi (419.74 km) |
| Ronkonkoma to McPherson (Kansas) | 1,312.87 mi (2,112.85 km) |
| Ronkonkoma to Mead Valley (California) | 2,447.38 mi (3,938.67 km) |
| Ronkonkoma to Meadow Woods (Florida) | 977.02 mi (1,572.37 km) |
| Ronkonkoma to Meadowbrook (Virginia) | 329.60 mi (530.44 km) |
| Ronkonkoma to Meadville (Pennsylvania) | 369.44 mi (594.55 km) |
| Ronkonkoma to Mebane (North Carolina) | 465.61 mi (749.32 km) |
| Ronkonkoma to Mechanicsville (Virginia) | 315.37 mi (507.54 km) |
