| Fallbrook to Monticello (Minnesota) | 1,490.23 mi (2,398.29 km) |
| Fallbrook to Montrose (Colorado) | 631.01 mi (1,015.52 km) |
| Fallbrook to Moody (Alabama) | 1,764.33 mi (2,839.41 km) |
| Fallbrook to Moore (Oklahoma) | 1,132.84 mi (1,823.13 km) |
| Fallbrook to Moorestown-Lenola (New Jersey) | 2,363.47 mi (3,803.64 km) |
| Fallbrook to Mooresville (North Carolina) | 2,067.10 mi (3,326.68 km) |
| Fallbrook to Moorhead (Minnesota) | 1,420.73 mi (2,286.44 km) |
| Fallbrook to Moorpark (California) | 113.98 mi (183.43 km) |
| Fallbrook to Moraga (California) | 413.68 mi (665.75 km) |
| Fallbrook to Moreno Valley (California) | 38.37 mi (61.76 km) |
| Fallbrook to Morgan City (Louisiana) | 1,549.71 mi (2,494.02 km) |
| Fallbrook to Morgan Hill (California) | 360.03 mi (579.42 km) |
| Fallbrook to Morganton (North Carolina) | 2,017.19 mi (3,246.35 km) |
| Fallbrook to Morgantown (West Virginia) | 2,099.59 mi (3,378.96 km) |
| Fallbrook to Morris (Illinois) | 1,665.86 mi (2,680.95 km) |
