| National City to Mankato (Minnesota) | 1,474.82 mi (2,373.50 km) |
| National City to Manor (Texas) | 1,162.39 mi (1,870.69 km) |
| National City to Manorville (New York) | 2,489.35 mi (4,006.23 km) |
| National City to Mansfield (Ohio) | 1,980.55 mi (3,187.39 km) |
| National City to Mansfield (Texas) | 1,160.89 mi (1,868.27 km) |
| National City to Manteca (California) | 423.89 mi (682.19 km) |
| National City to Manville (New Jersey) | 2,395.59 mi (3,855.34 km) |
| National City to Maple Grove (Minnesota) | 1,525.49 mi (2,455.03 km) |
| National City to Maple Heights (Ohio) | 2,034.80 mi (3,274.70 km) |
| National City to Maple Valley (Washington) | 1,048.22 mi (1,686.94 km) |
| National City to Mapleton (Utah) | 599.35 mi (964.57 km) |
| National City to Maplewood (Minnesota) | 1,541.03 mi (2,480.04 km) |
| National City to Marana (Arizona) | 346.41 mi (557.49 km) |
| National City to Marco Island (Florida) | 2,172.56 mi (3,496.40 km) |
| National City to Margate (Florida) | 2,251.41 mi (3,623.30 km) |
