| Royal Palm Beach to Mattoon (Illinois) | 999.33 mi (1,608.26 km) |
| Royal Palm Beach to Mauldin (South Carolina) | 571.60 mi (919.91 km) |
| Royal Palm Beach to Maumee (Ohio) | 1,045.54 mi (1,682.64 km) |
| Royal Palm Beach to Maumelle (Arkansas) | 914.90 mi (1,472.40 km) |
| Royal Palm Beach to Mayagüez (Puerto Rico) | 1,020.25 mi (1,641.93 km) |
| Royal Palm Beach to Mayfield Heights (Ohio) | 1,025.90 mi (1,651.03 km) |
| Royal Palm Beach to Mays Chapel (Maryland) | 903.36 mi (1,453.82 km) |
| Royal Palm Beach to Maywood (California) | 2,305.22 mi (3,709.90 km) |
| Royal Palm Beach to Maywood (Illinois) | 1,133.99 mi (1,824.98 km) |
| Royal Palm Beach to McAlester (Oklahoma) | 1,081.51 mi (1,740.51 km) |
| Royal Palm Beach to McAllen (Texas) | 1,114.32 mi (1,793.32 km) |
| Royal Palm Beach to McCalla (Alabama) | 610.97 mi (983.26 km) |
| Royal Palm Beach to McComb (Mississippi) | 693.88 mi (1,116.69 km) |
| Royal Palm Beach to McDonough (Georgia) | 521.14 mi (838.69 km) |
| Royal Palm Beach to McFarland (California) | 2,371.27 mi (3,816.19 km) |
