| National City to Montgomeryville (Pennsylvania) | 2,361.57 mi (3,800.57 km) |
| National City to Monticello (Minnesota) | 1,516.69 mi (2,440.88 km) |
| National City to Montrose (Colorado) | 655.48 mi (1,054.89 km) |
| National City to Moody (Alabama) | 1,765.35 mi (2,841.05 km) |
| National City to Moore (Oklahoma) | 1,137.06 mi (1,829.92 km) |
| National City to Moorestown-Lenola (New Jersey) | 2,376.50 mi (3,824.61 km) |
| National City to Mooresville (North Carolina) | 2,072.72 mi (3,335.72 km) |
| National City to Moorhead (Minnesota) | 1,451.77 mi (2,336.40 km) |
| National City to Moorpark (California) | 151.80 mi (244.30 km) |
| National City to Moraga (California) | 456.31 mi (734.37 km) |
| National City to Moreno Valley (California) | 87.20 mi (140.34 km) |
| National City to Morgan City (Louisiana) | 1,541.04 mi (2,480.07 km) |
| National City to Morgan Hill (California) | 401.82 mi (646.67 km) |
| National City to Morganton (North Carolina) | 2,022.96 mi (3,255.64 km) |
| National City to Morgantown (West Virginia) | 2,112.05 mi (3,399.02 km) |
