| Rockwall to Murphy (Texas) | 12.25 mi (19.71 km) |
| Rockwall to Murray (Kentucky) | 526.52 mi (847.35 km) |
| Rockwall to Murray (Utah) | 1,005.91 mi (1,618.86 km) |
| Rockwall to Murraysville (North Carolina) | 1,072.75 mi (1,726.43 km) |
| Rockwall to Murrieta (California) | 1,198.10 mi (1,928.16 km) |
| Rockwall to Murrysville (Pennsylvania) | 1,062.91 mi (1,710.59 km) |
| Rockwall to Muscatine (Iowa) | 657.31 mi (1,057.84 km) |
| Rockwall to Muscle Shoals (Alabama) | 520.58 mi (837.79 km) |
| Rockwall to Muscoy (California) | 1,205.19 mi (1,939.57 km) |
| Rockwall to Muskego (Wisconsin) | 823.42 mi (1,325.17 km) |
| Rockwall to Muskegon (Michigan) | 900.87 mi (1,449.81 km) |
| Rockwall to Muskogee (Oklahoma) | 204.78 mi (329.56 km) |
| Rockwall to Mustang (Oklahoma) | 186.15 mi (299.58 km) |
| Rockwall to Myers Corner (New York) | 1,372.07 mi (2,208.14 km) |
| Rockwall to Myrtle Beach (South Carolina) | 1,013.77 mi (1,631.50 km) |
