| Preakness to Cadillac (Michigan) | 612.89 mi (986.35 km) |
| Preakness to Caguas (Puerto Rico) | 1,642.20 mi (2,642.86 km) |
| Preakness to Cahokia (Illinois) | 861.97 mi (1,387.21 km) |
| Preakness to Calabasas (California) | 2,452.95 mi (3,947.64 km) |
| Preakness to Caldwell (Idaho) | 2,153.24 mi (3,465.31 km) |
| Preakness to Caledonia (Wisconsin) | 713.26 mi (1,147.88 km) |
| Preakness to Calera (Alabama) | 875.01 mi (1,408.19 km) |
| Preakness to Calexico (California) | 2,330.15 mi (3,750.01 km) |
| Preakness to Calhoun (Georgia) | 734.85 mi (1,182.62 km) |
| Preakness to California (Maryland) | 218.87 mi (352.23 km) |
| Preakness to California City (California) | 2,383.16 mi (3,835.33 km) |
| Preakness to Callaway (Florida) | 979.62 mi (1,576.54 km) |
| Preakness to Calumet City (Illinois) | 692.87 mi (1,115.06 km) |
| Preakness to Calverton (Maryland) | 194.09 mi (312.35 km) |
| Preakness to Camano (Washington) | 2,386.31 mi (3,840.40 km) |
