| Preakness to Carlsbad (California) | 2,410.26 mi (3,878.94 km) |
| Preakness to Carlsbad (New Mexico) | 1,754.49 mi (2,823.57 km) |
| Preakness to Carmel (Indiana) | 629.91 mi (1,013.74 km) |
| Preakness to Carmichael (California) | 2,475.57 mi (3,984.05 km) |
| Preakness to Carney (Maryland) | 161.10 mi (259.27 km) |
| Preakness to Carnot-Moon (Pennsylvania) | 315.10 mi (507.10 km) |
| Preakness to Carol Stream (Illinois) | 722.80 mi (1,163.24 km) |
| Preakness to Carolina (Puerto Rico) | 1,631.70 mi (2,625.97 km) |
| Preakness to Carolina Forest (South Carolina) | 558.30 mi (898.50 km) |
| Preakness to Carpentersville (Illinois) | 731.26 mi (1,176.84 km) |
| Preakness to Carpinteria (California) | 2,489.49 mi (4,006.44 km) |
| Preakness to Carrboro (North Carolina) | 434.84 mi (699.81 km) |
| Preakness to Carroll (Iowa) | 1,068.28 mi (1,719.24 km) |
| Preakness to Carrollton (Georgia) | 783.10 mi (1,260.27 km) |
| Preakness to Carrollton (Texas) | 1,361.81 mi (2,191.63 km) |
