| San Diego Country Estates to Mattoon (Illinois) | 1,638.14 mi (2,636.33 km) |
| San Diego Country Estates to Mauldin (South Carolina) | 1,971.82 mi (3,173.34 km) |
| San Diego Country Estates to Maumee (Ohio) | 1,900.97 mi (3,059.32 km) |
| San Diego Country Estates to Maumelle (Arkansas) | 1,400.40 mi (2,253.73 km) |
| San Diego Country Estates to Mayagüez (Puerto Rico) | 3,225.89 mi (5,191.56 km) |
| San Diego Country Estates to Mayfield Heights (Ohio) | 2,014.18 mi (3,241.51 km) |
| San Diego Country Estates to Mays Chapel (Maryland) | 2,261.61 mi (3,639.71 km) |
| San Diego Country Estates to Maywood (California) | 105.29 mi (169.45 km) |
| San Diego Country Estates to Maywood (Illinois) | 1,691.88 mi (2,722.81 km) |
| San Diego Country Estates to McAlester (Oklahoma) | 1,209.17 mi (1,945.98 km) |
| San Diego Country Estates to McAllen (Texas) | 1,206.00 mi (1,940.88 km) |
| San Diego Country Estates to McCalla (Alabama) | 1,715.50 mi (2,760.83 km) |
| San Diego Country Estates to McComb (Mississippi) | 1,540.64 mi (2,479.42 km) |
| San Diego Country Estates to McDonough (Georgia) | 1,878.77 mi (3,023.59 km) |
| San Diego Country Estates to McFarland (California) | 231.49 mi (372.55 km) |
