| Preakness to Commerce (California) | 2,430.05 mi (3,910.78 km) |
| Preakness to Commerce City (Colorado) | 1,604.51 mi (2,582.22 km) |
| Preakness to Compton (California) | 2,436.95 mi (3,921.89 km) |
| Preakness to Comstock Park (Michigan) | 605.37 mi (974.25 km) |
| Preakness to Concord (California) | 2,525.32 mi (4,064.11 km) |
| Preakness to Concord (Missouri) | 872.24 mi (1,403.74 km) |
| Preakness to Concord (New Hampshire) | 209.15 mi (336.60 km) |
| Preakness to Concord (North Carolina) | 517.50 mi (832.84 km) |
| Preakness to Conneaut (Ohio) | 335.59 mi (540.08 km) |
| Preakness to Connersville (Indiana) | 581.64 mi (936.06 km) |
| Preakness to Conroe (Texas) | 1,395.38 mi (2,245.64 km) |
| Preakness to Converse (Texas) | 1,564.29 mi (2,517.48 km) |
| Preakness to Conway (Arkansas) | 1,070.09 mi (1,722.14 km) |
| Preakness to Conway (Florida) | 948.81 mi (1,526.96 km) |
| Preakness to Conway (South Carolina) | 556.99 mi (896.40 km) |
