| Riviera Beach to Marrero (Louisiana) | 646.81 mi (1,040.95 km) |
| Riviera Beach to Marshall (Minnesota) | 1,500.63 mi (2,415.04 km) |
| Riviera Beach to Marshall (Missouri) | 1,140.01 mi (1,834.67 km) |
| Riviera Beach to Marshall (Texas) | 943.84 mi (1,518.97 km) |
| Riviera Beach to Marshalltown (Iowa) | 1,279.62 mi (2,059.35 km) |
| Riviera Beach to Marshfield (Wisconsin) | 1,356.60 mi (2,183.23 km) |
| Riviera Beach to Martha Lake (Washington) | 2,688.21 mi (4,326.26 km) |
| Riviera Beach to Martin (Tennessee) | 837.62 mi (1,348.02 km) |
| Riviera Beach to Martinez (California) | 2,548.42 mi (4,101.29 km) |
| Riviera Beach to Martinez (Georgia) | 481.08 mi (774.22 km) |
| Riviera Beach to Martinsburg (West Virginia) | 884.17 mi (1,422.94 km) |
| Riviera Beach to Martinsville (Indiana) | 946.61 mi (1,523.42 km) |
| Riviera Beach to Martinsville (New Jersey) | 1,005.37 mi (1,617.99 km) |
| Riviera Beach to Martinsville (Virginia) | 684.22 mi (1,101.15 km) |
| Riviera Beach to Maryland City (Maryland) | 871.92 mi (1,403.22 km) |
