| Placentia to Cadillac (Michigan) | 1,866.63 mi (3,004.06 km) |
| Placentia to Caguas (Puerto Rico) | 3,355.03 mi (5,399.41 km) |
| Placentia to Cahokia (Illinois) | 1,569.92 mi (2,526.55 km) |
| Placentia to Calabasas (California) | 49.86 mi (80.25 km) |
| Placentia to Caldwell (Idaho) | 677.72 mi (1,090.68 km) |
| Placentia to Caledonia (Wisconsin) | 1,726.36 mi (2,778.32 km) |
| Placentia to Calera (Alabama) | 1,786.28 mi (2,874.74 km) |
| Placentia to Calexico (California) | 159.44 mi (256.59 km) |
| Placentia to Calhoun (Georgia) | 1,873.47 mi (3,015.06 km) |
| Placentia to California (Maryland) | 2,310.12 mi (3,717.78 km) |
| Placentia to California City (California) | 88.24 mi (142.02 km) |
| Placentia to Callaway (Florida) | 1,902.11 mi (3,061.15 km) |
| Placentia to Calumet City (Illinois) | 1,729.36 mi (2,783.14 km) |
| Placentia to Calverton (Maryland) | 2,281.45 mi (3,671.65 km) |
| Placentia to Camano (Washington) | 1,016.79 mi (1,636.37 km) |
