| Placentia to Mount Washington (Kentucky) | 1,819.80 mi (2,928.69 km) |
| Placentia to Mountain Brook (Alabama) | 1,782.22 mi (2,868.21 km) |
| Placentia to Mountain Home (Arkansas) | 1,445.46 mi (2,326.24 km) |
| Placentia to Mountain Home (Idaho) | 649.73 mi (1,045.64 km) |
| Placentia to Mountain House (California) | 338.81 mi (545.26 km) |
| Placentia to Mountain Park (Georgia) | 1,925.97 mi (3,099.55 km) |
| Placentia to Mountain Top (Pennsylvania) | 2,329.90 mi (3,749.62 km) |
| Placentia to Mountain View (California) | 339.62 mi (546.56 km) |
| Placentia to Mountlake Terrace (Washington) | 988.52 mi (1,590.87 km) |
| Placentia to Mukilteo (Washington) | 996.31 mi (1,603.40 km) |
| Placentia to Muncie (Indiana) | 1,831.68 mi (2,947.81 km) |
| Placentia to Mundelein (Illinois) | 1,713.08 mi (2,756.93 km) |
| Placentia to Munhall (Pennsylvania) | 2,121.46 mi (3,414.15 km) |
| Placentia to Munster (Indiana) | 1,731.11 mi (2,785.95 km) |
| Placentia to Murfreesboro (Tennessee) | 1,780.09 mi (2,864.78 km) |
