| Guayama to McKeesport (Pennsylvania) | 1,748.51 mi (2,813.95 km) |
| Guayama to McKinleyville (California) | 3,753.33 mi (6,040.41 km) |
| Guayama to McKinney (Texas) | 2,163.36 mi (3,481.60 km) |
| Guayama to McLean (Virginia) | 1,594.53 mi (2,566.15 km) |
| Guayama to McMinnville (Oregon) | 3,753.52 mi (6,040.71 km) |
| Guayama to McMinnville (Tennessee) | 1,716.03 mi (2,761.68 km) |
| Guayama to McNair (Virginia) | 1,600.49 mi (2,575.74 km) |
| Guayama to McPherson (Kansas) | 2,363.09 mi (3,803.03 km) |
| Guayama to Mead Valley (California) | 3,326.86 mi (5,354.06 km) |
| Guayama to Meadow Woods (Florida) | 1,203.20 mi (1,936.36 km) |
| Guayama to Meadowbrook (Virginia) | 1,510.43 mi (2,430.81 km) |
| Guayama to Meadville (Pennsylvania) | 1,833.69 mi (2,951.05 km) |
| Guayama to Mebane (North Carolina) | 1,487.21 mi (2,393.44 km) |
| Guayama to Mechanicsville (Virginia) | 1,518.95 mi (2,444.51 km) |
| Guayama to Medford (Massachusetts) | 1,714.63 mi (2,759.43 km) |
