| Fallbrook to McKeesport (Pennsylvania) | 2,105.52 mi (3,388.51 km) |
| Fallbrook to McKinleyville (California) | 645.22 mi (1,038.38 km) |
| Fallbrook to McKinney (Texas) | 1,185.57 mi (1,907.99 km) |
| Fallbrook to McLean (Virginia) | 2,247.85 mi (3,617.57 km) |
| Fallbrook to McMinnville (Oregon) | 877.54 mi (1,412.26 km) |
| Fallbrook to McMinnville (Tennessee) | 1,789.43 mi (2,879.82 km) |
| Fallbrook to McNair (Virginia) | 2,236.17 mi (3,598.77 km) |
| Fallbrook to McPherson (Kansas) | 1,146.07 mi (1,844.42 km) |
| Fallbrook to Mead Valley (California) | 32.24 mi (51.89 km) |
| Fallbrook to Meadow Woods (Florida) | 2,145.00 mi (3,452.05 km) |
| Fallbrook to Meadowbrook (Virginia) | 2,239.75 mi (3,604.53 km) |
| Fallbrook to Meadville (Pennsylvania) | 2,093.50 mi (3,369.17 km) |
| Fallbrook to Mebane (North Carolina) | 2,149.71 mi (3,459.63 km) |
| Fallbrook to Mechanicsville (Virginia) | 2,245.04 mi (3,613.04 km) |
| Fallbrook to Medford (Massachusetts) | 2,558.04 mi (4,116.77 km) |
