| Willow Grove to Cocentaina | 3,860.26 mi (6,212.49 km) |
| Willow Grove to Coin | 3,715.16 mi (5,978.98 km) |
| Willow Grove to Colindres | 3,582.83 mi (5,766.01 km) |
| Willow Grove to Collado-Villalba | 3,632.76 mi (5,846.37 km) |
| Willow Grove to Colmenar Viejo | 3,643.60 mi (5,863.81 km) |
| Willow Grove to Colmenarejo | 3,634.42 mi (5,849.04 km) |
| Willow Grove to Conil de la Frontera | 3,661.42 mi (5,892.48 km) |
| Willow Grove to Consuegra | 3,686.11 mi (5,932.21 km) |
| Willow Grove to Corbera de Llobregat | 3,889.23 mi (6,259.11 km) |
| Willow Grove to Cordoba | 3,676.29 mi (5,916.42 km) |
| Willow Grove to Coria del Rio | 3,631.95 mi (5,845.06 km) |
| Willow Grove to Crevillente | 3,858.18 mi (6,209.13 km) |
| Willow Grove to Cuarte de Huerva | 3,751.49 mi (6,037.44 km) |
| Willow Grove to Cubellas | 3,883.61 mi (6,250.07 km) |
| Willow Grove to Cuellar | 3,596.60 mi (5,788.17 km) |
