| Encinitas to Mauldin (South Carolina) | 1,997.89 mi (3,215.30 km) |
| Encinitas to Maumee (Ohio) | 1,923.99 mi (3,096.37 km) |
| Encinitas to Maumelle (Arkansas) | 1,426.67 mi (2,296.00 km) |
| Encinitas to Mayagüez (Puerto Rico) | 3,253.46 mi (5,235.93 km) |
| Encinitas to Mayfield Heights (Ohio) | 2,037.32 mi (3,278.76 km) |
| Encinitas to Mays Chapel (Maryland) | 2,285.80 mi (3,678.64 km) |
| Encinitas to Maywood (California) | 84.04 mi (135.24 km) |
| Encinitas to Maywood (Illinois) | 1,714.40 mi (2,759.06 km) |
| Encinitas to McAlester (Oklahoma) | 1,235.43 mi (1,988.23 km) |
| Encinitas to McAllen (Texas) | 1,232.97 mi (1,984.27 km) |
| Encinitas to McCalla (Alabama) | 1,742.17 mi (2,803.75 km) |
| Encinitas to McComb (Mississippi) | 1,567.92 mi (2,523.32 km) |
| Encinitas to McDonough (Georgia) | 1,905.31 mi (3,066.29 km) |
| Encinitas to McFarland (California) | 213.88 mi (344.20 km) |
| Encinitas to McHenry (Illinois) | 1,698.41 mi (2,733.33 km) |
