| Placentia to Cordele (Georgia) | 1,972.44 mi (3,174.33 km) |
| Placentia to Corinth (Mississippi) | 1,668.08 mi (2,684.51 km) |
| Placentia to Corinth (Texas) | 1,196.55 mi (1,925.66 km) |
| Placentia to Cornelius (North Carolina) | 2,091.50 mi (3,365.94 km) |
| Placentia to Cornelius (Oregon) | 849.74 mi (1,367.53 km) |
| Placentia to Corning (New York) | 2,270.11 mi (3,653.40 km) |
| Placentia to Corona (California) | 16.71 mi (26.89 km) |
| Placentia to Coronado (California) | 93.10 mi (149.83 km) |
| Placentia to Corpus Christi (Texas) | 1,284.84 mi (2,067.74 km) |
| Placentia to Corsicana (Texas) | 1,243.62 mi (2,001.41 km) |
| Placentia to Cortland (New York) | 2,315.42 mi (3,726.31 km) |
| Placentia to Corvallis (Oregon) | 793.05 mi (1,276.29 km) |
| Placentia to Coshocton (Ohio) | 2,018.80 mi (3,248.95 km) |
| Placentia to Costa Mesa (California) | 15.16 mi (24.40 km) |
| Placentia to Coto de Caza (California) | 25.03 mi (40.29 km) |
