| Placentia to Central Point (Oregon) | 647.81 mi (1,042.55 km) |
| Placentia to Centralia (Illinois) | 1,626.77 mi (2,618.04 km) |
| Placentia to Centralia (Washington) | 926.76 mi (1,491.48 km) |
| Placentia to Centreville (Virginia) | 2,256.23 mi (3,631.06 km) |
| Placentia to Ceres (California) | 310.15 mi (499.14 km) |
| Placentia to Cerritos (California) | 12.27 mi (19.74 km) |
| Placentia to Chalco (Nebraska) | 1,288.07 mi (2,072.95 km) |
| Placentia to Chalmette (Louisiana) | 1,652.97 mi (2,660.19 km) |
| Placentia to Chambersburg (Pennsylvania) | 2,240.59 mi (3,605.88 km) |
| Placentia to Chamblee (Georgia) | 1,915.95 mi (3,083.43 km) |
| Placentia to Champaign (Illinois) | 1,679.67 mi (2,703.17 km) |
| Placentia to Champlin (Minnesota) | 1,510.35 mi (2,430.67 km) |
| Placentia to Chandler (Arizona) | 348.00 mi (560.06 km) |
| Placentia to Chanhassen (Minnesota) | 1,494.30 mi (2,404.84 km) |
| Placentia to Channahon (Illinois) | 1,691.15 mi (2,721.64 km) |
