| Robstown to Mattoon (Illinois) | 967.35 mi (1,556.80 km) |
| Robstown to Mauldin (South Carolina) | 1,026.06 mi (1,651.28 km) |
| Robstown to Maumee (Ohio) | 1,237.20 mi (1,991.09 km) |
| Robstown to Maumelle (Arkansas) | 578.16 mi (930.46 km) |
| Robstown to Mayagüez (Puerto Rico) | 2,045.03 mi (3,291.15 km) |
| Robstown to Mayfield Heights (Ohio) | 1,317.84 mi (2,120.86 km) |
| Robstown to Mays Chapel (Maryland) | 1,446.57 mi (2,328.03 km) |
| Robstown to Maywood (California) | 1,286.88 mi (2,071.03 km) |
| Robstown to Maywood (Illinois) | 1,119.61 mi (1,801.85 km) |
| Robstown to McAlester (Oklahoma) | 505.25 mi (813.13 km) |
| Robstown to McAllen (Texas) | 114.07 mi (183.58 km) |
| Robstown to McCalla (Alabama) | 738.02 mi (1,187.73 km) |
| Robstown to McComb (Mississippi) | 493.89 mi (794.84 km) |
| Robstown to McDonough (Georgia) | 892.45 mi (1,436.26 km) |
| Robstown to McFarland (California) | 1,375.81 mi (2,214.16 km) |
