| Placentia to Cibolo (Texas) | 1,190.31 mi (1,915.62 km) |
| Placentia to Cicero (Illinois) | 1,721.04 mi (2,769.75 km) |
| Placentia to Cimarron Hills (Colorado) | 807.67 mi (1,299.81 km) |
| Placentia to Cincinnati (Ohio) | 1,876.35 mi (3,019.70 km) |
| Placentia to Cinco Ranch (Texas) | 1,325.67 mi (2,133.47 km) |
| Placentia to Circleville (Ohio) | 1,960.69 mi (3,155.42 km) |
| Placentia to Citrus (California) | 16.37 mi (26.35 km) |
| Placentia to Citrus Heights (California) | 383.57 mi (617.30 km) |
| Placentia to Citrus Park (Florida) | 2,118.17 mi (3,408.86 km) |
| Placentia to Claiborne (Louisiana) | 1,482.27 mi (2,385.48 km) |
| Placentia to Claremont (California) | 18.74 mi (30.17 km) |
| Placentia to Claremont (New Hampshire) | 2,509.77 mi (4,039.08 km) |
| Placentia to Claremore (Oklahoma) | 1,265.91 mi (2,037.28 km) |
| Placentia to Clarksburg (Maryland) | 2,263.75 mi (3,643.15 km) |
| Placentia to Clarksburg (West Virginia) | 2,100.16 mi (3,379.88 km) |
