| Weslaco to McHenry (Illinois) | 1,245.40 mi (2,004.27 km) |
| Weslaco to McKeesport (Pennsylvania) | 1,429.52 mi (2,300.60 km) |
| Weslaco to McKinleyville (California) | 1,805.80 mi (2,906.16 km) |
| Weslaco to McKinney (Texas) | 492.94 mi (793.30 km) |
| Weslaco to McLean (Virginia) | 1,492.78 mi (2,402.39 km) |
| Weslaco to McMinnville (Oregon) | 1,917.00 mi (3,085.11 km) |
| Weslaco to McMinnville (Tennessee) | 976.56 mi (1,571.63 km) |
| Weslaco to McNair (Virginia) | 1,482.96 mi (2,386.60 km) |
| Weslaco to McPherson (Kansas) | 843.95 mi (1,358.20 km) |
| Weslaco to Mead Valley (California) | 1,267.81 mi (2,040.34 km) |
| Weslaco to Meadow Woods (Florida) | 1,032.52 mi (1,661.68 km) |
| Weslaco to Meadowbrook (Virginia) | 1,429.38 mi (2,300.37 km) |
| Weslaco to Meadville (Pennsylvania) | 1,474.48 mi (2,372.95 km) |
| Weslaco to Mebane (North Carolina) | 1,298.52 mi (2,089.77 km) |
| Weslaco to Mechanicsville (Virginia) | 1,441.33 mi (2,319.60 km) |
