| Boulder to Murray (Kentucky) | 945.97 mi (1,522.39 km) |
| Boulder to Murray (Utah) | 352.01 mi (566.51 km) |
| Boulder to Murraysville (North Carolina) | 1,553.61 mi (2,500.29 km) |
| Boulder to Murrieta (California) | 795.78 mi (1,280.68 km) |
| Boulder to Murrysville (Pennsylvania) | 1,345.70 mi (2,165.70 km) |
| Boulder to Muscatine (Iowa) | 748.12 mi (1,203.99 km) |
| Boulder to Muscle Shoals (Alabama) | 1,031.59 mi (1,660.18 km) |
| Boulder to Muscoy (California) | 779.24 mi (1,254.06 km) |
| Boulder to Muskego (Wisconsin) | 906.75 mi (1,459.28 km) |
| Boulder to Muskegon (Michigan) | 1,003.38 mi (1,614.78 km) |
| Boulder to Muskogee (Oklahoma) | 614.87 mi (989.54 km) |
| Boulder to Mustang (Oklahoma) | 521.00 mi (838.48 km) |
| Boulder to Myers Corner (New York) | 1,635.28 mi (2,631.74 km) |
| Boulder to Myrtle Beach (South Carolina) | 1,515.05 mi (2,438.24 km) |
| Boulder to Myrtle Grove (Florida) | 1,207.68 mi (1,943.57 km) |
