| Preakness to Cloverleaf (Texas) | 1,403.70 mi (2,259.04 km) |
| Preakness to Cloverly (Maryland) | 193.84 mi (311.96 km) |
| Preakness to Clovis (California) | 2,433.85 mi (3,916.90 km) |
| Preakness to Clovis (New Mexico) | 1,637.89 mi (2,635.93 km) |
| Preakness to Clute (Texas) | 1,447.73 mi (2,329.90 km) |
| Preakness to Coachella (California) | 2,334.09 mi (3,756.36 km) |
| Preakness to Coalinga (California) | 2,484.37 mi (3,998.21 km) |
| Preakness to Coamo (Puerto Rico) | 1,646.99 mi (2,650.57 km) |
| Preakness to Coatesville (Pennsylvania) | 106.65 mi (171.64 km) |
| Preakness to Cockeysville (Maryland) | 162.01 mi (260.74 km) |
| Preakness to Cocoa (Florida) | 943.15 mi (1,517.85 km) |
| Preakness to Cocoa Beach (Florida) | 943.25 mi (1,518.02 km) |
| Preakness to Coconut Creek (Florida) | 1,068.54 mi (1,719.65 km) |
| Preakness to Coeur d'Alene (Idaho) | 2,127.30 mi (3,423.55 km) |
| Preakness to Cohoes (New York) | 129.54 mi (208.48 km) |
