| Wheat Ridge to Carmona | 5,058.62 mi (8,141.06 km) |
| Wheat Ridge to Cartagena | 5,251.69 mi (8,451.79 km) |
| Wheat Ridge to Cartama | 5,134.29 mi (8,262.84 km) |
| Wheat Ridge to Cartaya | 5,000.07 mi (8,046.83 km) |
| Wheat Ridge to Caspe | 5,130.35 mi (8,256.51 km) |
| Wheat Ridge to Cassa de la Selva | 5,215.79 mi (8,394.01 km) |
| Wheat Ridge to Castalla | 5,220.62 mi (8,401.77 km) |
| Wheat Ridge to Castellbisbal | 5,199.54 mi (8,367.86 km) |
| Wheat Ridge to Castelldefels | 5,208.17 mi (8,381.74 km) |
| Wheat Ridge to Castello de Ampurias | 5,206.84 mi (8,379.60 km) |
| Wheat Ridge to Castellon de la Plana | 5,185.52 mi (8,345.28 km) |
| Wheat Ridge to Castilleja de la Cuesta | 5,044.00 mi (8,117.54 km) |
| Wheat Ridge to Catarroja | 5,196.00 mi (8,362.15 km) |
| Wheat Ridge to Catral | 5,234.37 mi (8,423.90 km) |
| Wheat Ridge to Caudete | 5,202.69 mi (8,372.92 km) |
