| Rancho San Diego to Montgomeryville (Pennsylvania) | 2,349.33 mi (3,780.88 km) |
| Rancho San Diego to Monticello (Minnesota) | 1,504.49 mi (2,421.24 km) |
| Rancho San Diego to Montrose (Colorado) | 643.23 mi (1,035.17 km) |
| Rancho San Diego to Moody (Alabama) | 1,753.92 mi (2,822.67 km) |
| Rancho San Diego to Moore (Oklahoma) | 1,125.32 mi (1,811.04 km) |
| Rancho San Diego to Moorestown-Lenola (New Jersey) | 2,364.28 mi (3,804.93 km) |
| Rancho San Diego to Mooresville (North Carolina) | 2,060.91 mi (3,316.72 km) |
| Rancho San Diego to Moorhead (Minnesota) | 1,439.87 mi (2,317.25 km) |
| Rancho San Diego to Moorpark (California) | 154.24 mi (248.22 km) |
| Rancho San Diego to Moraga (California) | 457.36 mi (736.05 km) |
| Rancho San Diego to Moreno Valley (California) | 81.95 mi (131.89 km) |
| Rancho San Diego to Morgan City (Louisiana) | 1,530.76 mi (2,463.52 km) |
| Rancho San Diego to Morgan Hill (California) | 403.23 mi (648.94 km) |
| Rancho San Diego to Morganton (North Carolina) | 2,011.14 mi (3,236.62 km) |
| Rancho San Diego to Morgantown (West Virginia) | 2,099.85 mi (3,379.38 km) |
