| Southlake to Marrero (Louisiana) | 465.79 mi (749.61 km) |
| Southlake to Marshall (Minnesota) | 797.53 mi (1,283.50 km) |
| Southlake to Marshall (Missouri) | 479.29 mi (771.35 km) |
| Southlake to Marshall (Texas) | 165.18 mi (265.83 km) |
| Southlake to Marshalltown (Iowa) | 668.85 mi (1,076.42 km) |
| Southlake to Marshfield (Wisconsin) | 891.08 mi (1,434.06 km) |
| Southlake to Martha Lake (Washington) | 1,660.60 mi (2,672.48 km) |
| Southlake to Martin (Tennessee) | 526.22 mi (846.87 km) |
| Southlake to Martinez (California) | 1,442.53 mi (2,321.52 km) |
| Southlake to Martinez (Georgia) | 869.96 mi (1,400.06 km) |
| Southlake to Martinsburg (West Virginia) | 1,156.51 mi (1,861.23 km) |
| Southlake to Martinsville (Indiana) | 745.11 mi (1,199.14 km) |
| Southlake to Martinsville (New Jersey) | 1,351.50 mi (2,175.04 km) |
| Southlake to Martinsville (Virginia) | 1,012.23 mi (1,629.03 km) |
| Southlake to Maryland City (Maryland) | 1,210.32 mi (1,947.81 km) |
