| Grimes to Mauldin (South Carolina) | 783.69 mi (1,261.22 km) |
| Grimes to Maumee (Ohio) | 523.01 mi (841.71 km) |
| Grimes to Maumelle (Arkansas) | 477.62 mi (768.66 km) |
| Grimes to Mayagüez (Puerto Rico) | 2,257.16 mi (3,632.54 km) |
| Grimes to Mayfield Heights (Ohio) | 637.22 mi (1,025.51 km) |
| Grimes to Mays Chapel (Maryland) | 911.59 mi (1,467.07 km) |
| Grimes to Maywood (California) | 1,427.06 mi (2,296.63 km) |
| Grimes to Maywood (Illinois) | 306.85 mi (493.83 km) |
| Grimes to McAlester (Oklahoma) | 478.67 mi (770.34 km) |
| Grimes to McAllen (Texas) | 1,097.31 mi (1,765.96 km) |
| Grimes to McCalla (Alabama) | 686.79 mi (1,105.28 km) |
| Grimes to McComb (Mississippi) | 744.00 mi (1,197.36 km) |
| Grimes to McDonough (Georgia) | 775.53 mi (1,248.09 km) |
| Grimes to McFarland (California) | 1,427.77 mi (2,297.78 km) |
| Grimes to McHenry (Illinois) | 286.06 mi (460.37 km) |
