| Port Lavaca to Marrero (Louisiana) | 402.35 mi (647.53 km) |
| Port Lavaca to Marshall (Minnesota) | 1,094.77 mi (1,761.86 km) |
| Port Lavaca to Marshall (Missouri) | 751.25 mi (1,209.02 km) |
| Port Lavaca to Marshall (Texas) | 302.71 mi (487.17 km) |
| Port Lavaca to Marshalltown (Iowa) | 950.14 mi (1,529.10 km) |
| Port Lavaca to Marshfield (Wisconsin) | 1,163.92 mi (1,873.16 km) |
| Port Lavaca to Martha Lake (Washington) | 1,905.71 mi (3,066.94 km) |
| Port Lavaca to Martin (Tennessee) | 699.44 mi (1,125.64 km) |
| Port Lavaca to Martinez (California) | 1,601.29 mi (2,577.03 km) |
| Port Lavaca to Martinez (Georgia) | 923.10 mi (1,485.59 km) |
| Port Lavaca to Martinsburg (West Virginia) | 1,299.98 mi (2,092.12 km) |
| Port Lavaca to Martinsville (Indiana) | 945.94 mi (1,522.34 km) |
| Port Lavaca to Martinsville (New Jersey) | 1,496.01 mi (2,407.60 km) |
| Port Lavaca to Martinsville (Virginia) | 1,120.76 mi (1,803.69 km) |
| Port Lavaca to Maryland City (Maryland) | 1,343.74 mi (2,162.55 km) |
