| Southlake to Morris (Illinois) | 753.46 mi (1,212.58 km) |
| Southlake to Morristown (New Jersey) | 1,360.13 mi (2,188.91 km) |
| Southlake to Morristown (Tennessee) | 818.43 mi (1,317.13 km) |
| Southlake to Morrisville (North Carolina) | 1,061.37 mi (1,708.12 km) |
| Southlake to Morro Bay (California) | 1,361.79 mi (2,191.58 km) |
| Southlake to Morton (Illinois) | 678.23 mi (1,091.50 km) |
| Southlake to Morton Grove (Illinois) | 809.84 mi (1,303.32 km) |
| Southlake to Moscow (Idaho) | 1,411.95 mi (2,272.31 km) |
| Southlake to Moses Lake (Washington) | 1,516.51 mi (2,440.59 km) |
| Southlake to Moss Bluff (Louisiana) | 295.60 mi (475.73 km) |
| Southlake to Moss Point (Mississippi) | 535.97 mi (862.56 km) |
| Southlake to Moultrie (Georgia) | 792.67 mi (1,275.68 km) |
| Southlake to Mounds View (Minnesota) | 865.63 mi (1,393.09 km) |
| Southlake to Mount Airy (North Carolina) | 969.09 mi (1,559.60 km) |
| Southlake to Mount Clemens (Michigan) | 1,022.69 mi (1,645.87 km) |
