| Diamond Bar to Morristown (New Jersey) | 2,399.76 mi (3,862.04 km) |
| Diamond Bar to Morristown (Tennessee) | 1,946.79 mi (3,133.05 km) |
| Diamond Bar to Morrisville (North Carolina) | 2,197.53 mi (3,536.58 km) |
| Diamond Bar to Morro Bay (California) | 196.52 mi (316.26 km) |
| Diamond Bar to Morton (Illinois) | 1,615.66 mi (2,600.16 km) |
| Diamond Bar to Morton Grove (Illinois) | 1,715.84 mi (2,761.38 km) |
| Diamond Bar to Moscow (Idaho) | 880.71 mi (1,417.36 km) |
| Diamond Bar to Moses Lake (Washington) | 910.29 mi (1,464.97 km) |
| Diamond Bar to Moss Bluff (Louisiana) | 1,458.48 mi (2,347.20 km) |
| Diamond Bar to Moss Point (Mississippi) | 1,723.88 mi (2,774.32 km) |
| Diamond Bar to Moultrie (Georgia) | 1,982.78 mi (3,190.98 km) |
| Diamond Bar to Mounds View (Minnesota) | 1,510.11 mi (2,430.29 km) |
| Diamond Bar to Mount Airy (North Carolina) | 2,093.08 mi (3,368.49 km) |
| Diamond Bar to Mount Clemens (Michigan) | 1,969.34 mi (3,169.35 km) |
| Diamond Bar to Mount Dora (Florida) | 2,152.22 mi (3,463.66 km) |
