| Preakness to Carmona | 3,583.87 mi (5,767.69 km) |
| Preakness to Cartagena | 3,806.01 mi (6,125.18 km) |
| Preakness to Cartama | 3,656.82 mi (5,885.08 km) |
| Preakness to Cartaya | 3,514.94 mi (5,656.75 km) |
| Preakness to Caspe | 3,736.55 mi (6,013.40 km) |
| Preakness to Cassa de la Selva | 3,850.71 mi (6,197.11 km) |
| Preakness to Castalla | 3,788.80 mi (6,097.48 km) |
| Preakness to Castellbisbal | 3,822.58 mi (6,151.85 km) |
| Preakness to Castelldefels | 3,828.48 mi (6,161.35 km) |
| Preakness to Castello de Ampurias | 3,848.33 mi (6,193.29 km) |
| Preakness to Castellon de la Plana | 3,775.20 mi (6,075.59 km) |
| Preakness to Castilleja de la Cuesta | 3,566.00 mi (5,738.93 km) |
| Preakness to Catarroja | 3,775.87 mi (6,076.68 km) |
| Preakness to Catral | 3,796.41 mi (6,109.73 km) |
| Preakness to Caudete | 3,770.17 mi (6,067.51 km) |
