| Diamond Bar to Marysville (California) | 412.74 mi (664.25 km) |
| Diamond Bar to Marysville (Ohio) | 1,933.77 mi (3,112.11 km) |
| Diamond Bar to Marysville (Washington) | 998.46 mi (1,606.87 km) |
| Diamond Bar to Maryville (Missouri) | 1,332.58 mi (2,144.57 km) |
| Diamond Bar to Maryville (Tennessee) | 1,912.40 mi (3,077.71 km) |
| Diamond Bar to Mason (Ohio) | 1,882.40 mi (3,029.43 km) |
| Diamond Bar to Mason City (Iowa) | 1,464.98 mi (2,357.65 km) |
| Diamond Bar to Massapequa (New York) | 2,452.89 mi (3,947.55 km) |
| Diamond Bar to Massapequa Park (New York) | 2,453.93 mi (3,949.21 km) |
| Diamond Bar to Massillon (Ohio) | 2,031.20 mi (3,268.90 km) |
| Diamond Bar to Mastic (New York) | 2,484.77 mi (3,998.84 km) |
| Diamond Bar to Mastic Beach (New York) | 2,485.54 mi (4,000.10 km) |
| Diamond Bar to Matteson (Illinois) | 1,712.64 mi (2,756.22 km) |
| Diamond Bar to Matthews (North Carolina) | 2,100.52 mi (3,380.45 km) |
| Diamond Bar to Mattoon (Illinois) | 1,666.21 mi (2,681.51 km) |
