| Riviera Beach to Montgomeryville (Pennsylvania) | 970.94 mi (1,562.58 km) |
| Riviera Beach to Monticello (Minnesota) | 1,486.85 mi (2,392.86 km) |
| Riviera Beach to Montrose (Colorado) | 1,797.46 mi (2,892.74 km) |
| Riviera Beach to Moody (Alabama) | 607.11 mi (977.05 km) |
| Riviera Beach to Moore (Oklahoma) | 1,184.66 mi (1,906.53 km) |
| Riviera Beach to Moorestown-Lenola (New Jersey) | 957.02 mi (1,540.17 km) |
| Riviera Beach to Mooresville (North Carolina) | 609.87 mi (981.50 km) |
| Riviera Beach to Moorhead (Minnesota) | 1,658.48 mi (2,669.07 km) |
| Riviera Beach to Moorpark (California) | 2,351.91 mi (3,785.04 km) |
| Riviera Beach to Moraga (California) | 2,547.84 mi (4,100.36 km) |
| Riviera Beach to Moreno Valley (California) | 2,255.34 mi (3,629.61 km) |
| Riviera Beach to Morgan City (Louisiana) | 705.85 mi (1,135.96 km) |
| Riviera Beach to Morgan Hill (California) | 2,517.67 mi (4,051.80 km) |
| Riviera Beach to Morganton (North Carolina) | 626.42 mi (1,008.12 km) |
| Riviera Beach to Morgantown (West Virginia) | 888.36 mi (1,429.68 km) |
