| Diamond Bar to Mountain Brook (Alabama) | 1,778.89 mi (2,862.84 km) |
| Diamond Bar to Mountain Home (Arkansas) | 1,441.31 mi (2,319.57 km) |
| Diamond Bar to Mountain Home (Idaho) | 641.28 mi (1,032.04 km) |
| Diamond Bar to Mountain House (California) | 333.63 mi (536.93 km) |
| Diamond Bar to Mountain Park (Georgia) | 1,922.42 mi (3,093.83 km) |
| Diamond Bar to Mountain Top (Pennsylvania) | 2,324.43 mi (3,740.80 km) |
| Diamond Bar to Mountain View (California) | 335.25 mi (539.53 km) |
| Diamond Bar to Mountlake Terrace (Washington) | 981.00 mi (1,578.76 km) |
| Diamond Bar to Mukilteo (Washington) | 988.78 mi (1,591.28 km) |
| Diamond Bar to Muncie (Indiana) | 1,826.39 mi (2,939.29 km) |
| Diamond Bar to Mundelein (Illinois) | 1,707.20 mi (2,747.47 km) |
| Diamond Bar to Munhall (Pennsylvania) | 2,116.15 mi (3,405.61 km) |
| Diamond Bar to Munster (Indiana) | 1,725.43 mi (2,776.81 km) |
| Diamond Bar to Murfreesboro (Tennessee) | 1,776.02 mi (2,858.23 km) |
| Diamond Bar to Murphy (Texas) | 1,221.36 mi (1,965.58 km) |
