| Royal Palm Beach to Castle Pines (Colorado) | 1,668.62 mi (2,685.38 km) |
| Royal Palm Beach to Castle Rock (Colorado) | 1,665.33 mi (2,680.09 km) |
| Royal Palm Beach to Castro Valley (California) | 2,538.15 mi (4,084.76 km) |
| Royal Palm Beach to Catalina Foothills (Arizona) | 1,877.09 mi (3,020.88 km) |
| Royal Palm Beach to Cataño (Puerto Rico) | 1,063.24 mi (1,711.11 km) |
| Royal Palm Beach to Cathedral City (California) | 2,206.02 mi (3,550.25 km) |
| Royal Palm Beach to Catonsville (Maryland) | 890.81 mi (1,433.62 km) |
| Royal Palm Beach to Cave Spring (Virginia) | 727.08 mi (1,170.13 km) |
| Royal Palm Beach to Cayce (South Carolina) | 502.75 mi (809.10 km) |
| Royal Palm Beach to Cayey (Puerto Rico) | 1,075.16 mi (1,730.31 km) |
| Royal Palm Beach to Cedar City (Utah) | 2,053.13 mi (3,304.20 km) |
| Royal Palm Beach to Cedar Falls (Iowa) | 1,292.15 mi (2,079.52 km) |
| Royal Palm Beach to Cedar Hill (Texas) | 1,082.27 mi (1,741.75 km) |
| Royal Palm Beach to Cedar Lake (Indiana) | 1,093.23 mi (1,759.38 km) |
| Royal Palm Beach to Cedar Mill (Oregon) | 2,667.10 mi (4,292.28 km) |
