| Diamond Bar to Mendota Heights (Minnesota) | 1,507.43 mi (2,425.97 km) |
| Diamond Bar to Menifee (California) | 42.02 mi (67.63 km) |
| Diamond Bar to Menlo Park (California) | 341.99 mi (550.38 km) |
| Diamond Bar to Menomonee Falls (Wisconsin) | 1,712.81 mi (2,756.50 km) |
| Diamond Bar to Menomonie (Wisconsin) | 1,564.07 mi (2,517.12 km) |
| Diamond Bar to Mentor (Ohio) | 2,043.49 mi (3,288.68 km) |
| Diamond Bar to Mequon (Wisconsin) | 1,720.86 mi (2,769.46 km) |
| Diamond Bar to Merced (California) | 272.96 mi (439.29 km) |
| Diamond Bar to Mercedes (Texas) | 1,304.60 mi (2,099.55 km) |
| Diamond Bar to Mercer Island (Washington) | 965.01 mi (1,553.03 km) |
| Diamond Bar to Mercerville (New Jersey) | 2,390.74 mi (3,847.52 km) |
| Diamond Bar to Meriden (Connecticut) | 2,484.54 mi (3,998.48 km) |
| Diamond Bar to Meridian (Idaho) | 668.50 mi (1,075.84 km) |
| Diamond Bar to Meridian (Mississippi) | 1,682.14 mi (2,707.15 km) |
| Diamond Bar to Merriam (Kansas) | 1,326.07 mi (2,134.10 km) |
