| Preakness to Carrollwood (Florida) | 1,006.23 mi (1,619.37 km) |
| Preakness to Carson (California) | 2,440.04 mi (3,926.87 km) |
| Preakness to Carson City (Nevada) | 2,383.68 mi (3,836.16 km) |
| Preakness to Carteret (New Jersey) | 24.41 mi (39.29 km) |
| Preakness to Cartersville (Georgia) | 743.82 mi (1,197.07 km) |
| Preakness to Carthage (Missouri) | 1,107.10 mi (1,781.70 km) |
| Preakness to Cary (Illinois) | 729.41 mi (1,173.88 km) |
| Preakness to Cary (North Carolina) | 434.48 mi (699.23 km) |
| Preakness to Casa de Oro-Mount Helix (California) | 2,404.70 mi (3,869.98 km) |
| Preakness to Casa Grande (Arizona) | 2,128.72 mi (3,425.84 km) |
| Preakness to Casas Adobes (Arizona) | 2,106.99 mi (3,390.88 km) |
| Preakness to Cascades (Virginia) | 212.39 mi (341.82 km) |
| Preakness to Casper (Wyoming) | 1,646.11 mi (2,649.16 km) |
| Preakness to Casselberry (Florida) | 938.06 mi (1,509.67 km) |
| Preakness to Castaic (California) | 2,441.27 mi (3,928.85 km) |
