| Preakness to Cehegin | 3,750.71 mi (6,036.18 km) |
| Preakness to Cervello | 3,824.02 mi (6,154.17 km) |
| Preakness to Cervera | 3,783.87 mi (6,089.55 km) |
| Preakness to Ceuti | 3,776.53 mi (6,077.73 km) |
| Preakness to Cheste | 3,760.15 mi (6,051.38 km) |
| Preakness to Chiclana de la Frontera | 3,591.24 mi (5,779.55 km) |
| Preakness to Chipiona | 3,567.30 mi (5,741.02 km) |
| Preakness to Chiva | 3,758.74 mi (6,049.10 km) |
| Preakness to Churriana de la Vega | 3,690.90 mi (5,939.93 km) |
| Preakness to Ciempozuelos | 3,599.75 mi (5,793.24 km) |
| Preakness to Cieza | 3,764.33 mi (6,058.10 km) |
| Preakness to Cisterniga | 3,507.13 mi (5,644.17 km) |
| Preakness to Ciudad de Melilla | 3,786.37 mi (6,093.57 km) |
| Preakness to Ciudad Real | 3,620.80 mi (5,827.11 km) |
| Preakness to Ciudad-Rodrigo | 3,447.46 mi (5,548.14 km) |
