| Lockhart to Marshall (Minnesota) | 1,012.01 mi (1,628.68 km) |
| Lockhart to Marshall (Missouri) | 687.05 mi (1,105.70 km) |
| Lockhart to Marshall (Texas) | 269.23 mi (433.28 km) |
| Lockhart to Marshalltown (Iowa) | 880.94 mi (1,417.74 km) |
| Lockhart to Marshfield (Wisconsin) | 1,100.58 mi (1,771.21 km) |
| Lockhart to Martha Lake (Washington) | 1,798.01 mi (2,893.62 km) |
| Lockhart to Martin (Tennessee) | 678.01 mi (1,091.16 km) |
| Lockhart to Martinez (California) | 1,503.06 mi (2,418.94 km) |
| Lockhart to Martinez (Georgia) | 949.01 mi (1,527.29 km) |
| Lockhart to Martinsburg (West Virginia) | 1,296.49 mi (2,086.49 km) |
| Lockhart to Martinsville (Indiana) | 916.76 mi (1,475.38 km) |
| Lockhart to Martinsville (New Jersey) | 1,493.09 mi (2,402.89 km) |
| Lockhart to Martinsville (Virginia) | 1,129.15 mi (1,817.20 km) |
| Lockhart to Maryland City (Maryland) | 1,344.35 mi (2,163.53 km) |
| Lockhart to Maryland Heights (Missouri) | 735.86 mi (1,184.26 km) |
