| Preakness to Cocentaina | 3,795.06 mi (6,107.55 km) |
| Preakness to Coin | 3,652.37 mi (5,877.93 km) |
| Preakness to Colindres | 3,515.63 mi (5,657.86 km) |
| Preakness to Collado-Villalba | 3,567.24 mi (5,740.91 km) |
| Preakness to Colmenar Viejo | 3,578.01 mi (5,758.25 km) |
| Preakness to Colmenarejo | 3,568.94 mi (5,743.66 km) |
| Preakness to Conil de la Frontera | 3,599.29 mi (5,792.50 km) |
| Preakness to Consuegra | 3,621.21 mi (5,827.77 km) |
| Preakness to Corbera de Llobregat | 3,822.10 mi (6,151.08 km) |
| Preakness to Cordoba | 3,612.69 mi (5,814.06 km) |
| Preakness to Coria del Rio | 3,569.09 mi (5,743.90 km) |
| Preakness to Crevillente | 3,793.35 mi (6,104.81 km) |
| Preakness to Cuarte de Huerva | 3,684.81 mi (5,930.13 km) |
| Preakness to Cubellas | 3,816.64 mi (6,142.28 km) |
| Preakness to Cuellar | 3,530.68 mi (5,682.08 km) |
