| Royal Palm Beach to Cadillac (Michigan) | 1,246.30 mi (2,005.72 km) |
| Royal Palm Beach to Caguas (Puerto Rico) | 1,077.07 mi (1,733.37 km) |
| Royal Palm Beach to Cahokia (Illinois) | 1,002.11 mi (1,612.75 km) |
| Royal Palm Beach to Calabasas (California) | 2,333.13 mi (3,754.82 km) |
| Royal Palm Beach to Caldwell (Idaho) | 2,340.64 mi (3,766.90 km) |
| Royal Palm Beach to Caledonia (Wisconsin) | 1,192.56 mi (1,919.25 km) |
| Royal Palm Beach to Calera (Alabama) | 590.77 mi (950.75 km) |
| Royal Palm Beach to Calexico (California) | 2,146.72 mi (3,454.82 km) |
| Royal Palm Beach to Calhoun (Georgia) | 606.50 mi (976.07 km) |
| Royal Palm Beach to California (Maryland) | 829.74 mi (1,335.34 km) |
| Royal Palm Beach to California City (California) | 2,291.79 mi (3,688.28 km) |
| Royal Palm Beach to Callaway (Florida) | 401.41 mi (646.01 km) |
| Royal Palm Beach to Calumet City (Illinois) | 1,110.96 mi (1,787.92 km) |
| Royal Palm Beach to Calverton (Maryland) | 874.30 mi (1,407.05 km) |
| Royal Palm Beach to Camano (Washington) | 2,702.93 mi (4,349.95 km) |
