| Port Lavaca to Maryland Heights (Missouri) | 781.95 mi (1,258.43 km) |
| Port Lavaca to Marysville (California) | 1,598.39 mi (2,572.36 km) |
| Port Lavaca to Marysville (Ohio) | 1,099.90 mi (1,770.11 km) |
| Port Lavaca to Marysville (Washington) | 1,912.10 mi (3,077.23 km) |
| Port Lavaca to Maryville (Missouri) | 816.21 mi (1,313.56 km) |
| Port Lavaca to Maryville (Tennessee) | 887.44 mi (1,428.19 km) |
| Port Lavaca to Mason (Ohio) | 1,022.30 mi (1,645.23 km) |
| Port Lavaca to Mason City (Iowa) | 1,021.89 mi (1,644.58 km) |
| Port Lavaca to Massapequa (New York) | 1,550.03 mi (2,494.53 km) |
| Port Lavaca to Massapequa Park (New York) | 1,551.44 mi (2,496.80 km) |
| Port Lavaca to Massillon (Ohio) | 1,197.65 mi (1,927.43 km) |
| Port Lavaca to Mastic (New York) | 1,583.73 mi (2,548.76 km) |
| Port Lavaca to Mastic Beach (New York) | 1,583.01 mi (2,547.60 km) |
| Port Lavaca to Matteson (Illinois) | 1,021.18 mi (1,643.43 km) |
| Port Lavaca to Matthews (North Carolina) | 1,034.69 mi (1,665.17 km) |
