| Riviera Beach to Mankato (Minnesota) | 1,429.24 mi (2,300.14 km) |
| Riviera Beach to Manor (Texas) | 1,085.99 mi (1,747.73 km) |
| Riviera Beach to Manorville (New York) | 1,057.59 mi (1,702.03 km) |
| Riviera Beach to Mansfield (Ohio) | 976.32 mi (1,571.24 km) |
| Riviera Beach to Mansfield (Texas) | 1,097.05 mi (1,765.54 km) |
| Riviera Beach to Manteca (California) | 2,498.81 mi (4,021.45 km) |
| Riviera Beach to Manville (New Jersey) | 1,001.16 mi (1,611.21 km) |
| Riviera Beach to Maple Grove (Minnesota) | 1,466.67 mi (2,360.38 km) |
| Riviera Beach to Maple Heights (Ohio) | 1,014.24 mi (1,632.26 km) |
| Riviera Beach to Maple Valley (Washington) | 2,669.62 mi (4,296.34 km) |
| Riviera Beach to Mapleton (Utah) | 2,021.53 mi (3,253.34 km) |
| Riviera Beach to Maplewood (Minnesota) | 1,447.48 mi (2,329.50 km) |
| Riviera Beach to Marana (Arizona) | 1,900.49 mi (3,058.54 km) |
| Riviera Beach to Marco Island (Florida) | 116.44 mi (187.40 km) |
| Riviera Beach to Margate (Florida) | 37.91 mi (61.02 km) |
