| Rockwall to Missouri City (Texas) | 237.76 mi (382.64 km) |
| Rockwall to Mitchell (South Dakota) | 752.02 mi (1,210.26 km) |
| Rockwall to Mitchellville (Maryland) | 1,171.06 mi (1,884.63 km) |
| Rockwall to Moberly (Missouri) | 501.42 mi (806.95 km) |
| Rockwall to Mobile (Alabama) | 512.37 mi (824.58 km) |
| Rockwall to Modesto (California) | 1,419.05 mi (2,283.74 km) |
| Rockwall to Mokena (Illinois) | 758.18 mi (1,220.17 km) |
| Rockwall to Moline (Illinois) | 675.80 mi (1,087.60 km) |
| Rockwall to Moncks Corner (South Carolina) | 950.57 mi (1,529.80 km) |
| Rockwall to Monfort Heights (Ohio) | 788.96 mi (1,269.70 km) |
| Rockwall to Monmouth (Oregon) | 1,648.88 mi (2,653.62 km) |
| Rockwall to Monroe (Georgia) | 736.20 mi (1,184.80 km) |
| Rockwall to Monroe (Louisiana) | 254.92 mi (410.26 km) |
| Rockwall to Monroe (Michigan) | 946.51 mi (1,523.27 km) |
| Rockwall to Monroe (North Carolina) | 920.27 mi (1,481.03 km) |
