| Placentia to Clarksdale (Mississippi) | 1,557.74 mi (2,506.94 km) |
| Placentia to Clarkston (Georgia) | 1,920.21 mi (3,090.27 km) |
| Placentia to Clarksville (Indiana) | 1,808.11 mi (2,909.87 km) |
| Placentia to Clarksville (Tennessee) | 1,725.01 mi (2,776.13 km) |
| Placentia to Clawson (Michigan) | 1,961.15 mi (3,156.17 km) |
| Placentia to Clay (Alabama) | 1,787.31 mi (2,876.39 km) |
| Placentia to Clayton (California) | 361.40 mi (581.62 km) |
| Placentia to Clayton (Missouri) | 1,562.12 mi (2,513.99 km) |
| Placentia to Clayton (North Carolina) | 2,224.92 mi (3,580.67 km) |
| Placentia to Clayton (Ohio) | 1,886.94 mi (3,036.74 km) |
| Placentia to Clearfield (Utah) | 592.29 mi (953.20 km) |
| Placentia to Clearlake (California) | 439.93 mi (707.99 km) |
| Placentia to Clearwater (Florida) | 2,108.94 mi (3,394.01 km) |
| Placentia to Cleburne (Texas) | 1,185.56 mi (1,907.97 km) |
| Placentia to Clemmons (North Carolina) | 2,113.98 mi (3,402.12 km) |
