| Placentia to Conyers (Georgia) | 1,935.74 mi (3,115.28 km) |
| Placentia to Cookeville (Tennessee) | 1,828.56 mi (2,942.79 km) |
| Placentia to Coolidge (Arizona) | 370.81 mi (596.76 km) |
| Placentia to Coon Rapids (Minnesota) | 1,514.13 mi (2,436.75 km) |
| Placentia to Cooper City (Florida) | 2,299.54 mi (3,700.75 km) |
| Placentia to Coos Bay (Oregon) | 740.50 mi (1,191.72 km) |
| Placentia to Copiague (New York) | 2,462.38 mi (3,962.82 km) |
| Placentia to Coppell (Texas) | 1,202.84 mi (1,935.78 km) |
| Placentia to Copperas Cove (Texas) | 1,175.66 mi (1,892.05 km) |
| Placentia to Coral Gables (Florida) | 2,309.61 mi (3,716.96 km) |
| Placentia to Coral Springs (Florida) | 2,295.15 mi (3,693.69 km) |
| Placentia to Coral Terrace (Florida) | 2,306.54 mi (3,712.01 km) |
| Placentia to Coralville (Iowa) | 1,524.76 mi (2,453.86 km) |
| Placentia to Coram (New York) | 2,481.64 mi (3,993.82 km) |
| Placentia to Corcoran (California) | 180.28 mi (290.13 km) |
