| Frederick to Cocentaina | 3,991.54 mi (6,423.77 km) |
| Frederick to Coin | 3,846.66 mi (6,190.60 km) |
| Frederick to Colindres | 3,713.26 mi (5,975.91 km) |
| Frederick to Collado-Villalba | 3,763.95 mi (6,057.50 km) |
| Frederick to Colmenar Viejo | 3,774.78 mi (6,074.91 km) |
| Frederick to Colmenarejo | 3,765.63 mi (6,060.19 km) |
| Frederick to Conil de la Frontera | 3,792.86 mi (6,104.03 km) |
| Frederick to Consuegra | 3,817.46 mi (6,143.60 km) |
| Frederick to Corbera de Llobregat | 4,019.71 mi (6,469.09 km) |
| Frederick to Cordoba | 3,807.79 mi (6,128.05 km) |
| Frederick to Coria del Rio | 3,763.45 mi (6,056.69 km) |
| Frederick to Crevillente | 3,989.54 mi (6,420.55 km) |
| Frederick to Cuarte de Huerva | 3,882.22 mi (6,247.83 km) |
| Frederick to Cubellas | 4,014.18 mi (6,460.20 km) |
| Frederick to Cuellar | 3,727.66 mi (5,999.09 km) |
