| Placentia to Maryland Heights (Missouri) | 1,554.68 mi (2,502.01 km) |
| Placentia to Marysville (California) | 418.82 mi (674.03 km) |
| Placentia to Marysville (Ohio) | 1,939.05 mi (3,120.61 km) |
| Placentia to Marysville (Washington) | 1,006.03 mi (1,619.05 km) |
| Placentia to Maryville (Missouri) | 1,338.19 mi (2,153.61 km) |
| Placentia to Maryville (Tennessee) | 1,916.49 mi (3,084.29 km) |
| Placentia to Mason (Ohio) | 1,887.47 mi (3,037.58 km) |
| Placentia to Mason City (Iowa) | 1,471.32 mi (2,367.85 km) |
| Placentia to Massapequa (New York) | 2,458.29 mi (3,956.24 km) |
| Placentia to Massapequa Park (New York) | 2,459.33 mi (3,957.91 km) |
| Placentia to Massillon (Ohio) | 2,036.60 mi (3,277.59 km) |
| Placentia to Mastic (New York) | 2,490.20 mi (4,007.59 km) |
| Placentia to Mastic Beach (New York) | 2,490.97 mi (4,008.83 km) |
| Placentia to Matteson (Illinois) | 1,718.31 mi (2,765.36 km) |
| Placentia to Matthews (North Carolina) | 2,104.54 mi (3,386.92 km) |
