| Webster to Cocentaina | 5,205.25 mi (8,377.05 km) |
| Webster to Coin | 5,054.24 mi (8,134.02 km) |
| Webster to Colindres | 4,928.00 mi (7,930.85 km) |
| Webster to Collado-Villalba | 4,978.16 mi (8,011.57 km) |
| Webster to Colmenar Viejo | 4,989.06 mi (8,029.12 km) |
| Webster to Colmenarejo | 4,979.77 mi (8,014.17 km) |
| Webster to Conil de la Frontera | 4,998.14 mi (8,043.73 km) |
| Webster to Consuegra | 5,030.67 mi (8,096.09 km) |
| Webster to Corbera de Llobregat | 5,234.50 mi (8,424.11 km) |
| Webster to Cordoba | 5,017.95 mi (8,075.60 km) |
| Webster to Coria del Rio | 4,971.33 mi (8,000.58 km) |
| Webster to Crevillente | 5,202.58 mi (8,372.74 km) |
| Webster to Cuarte de Huerva | 5,097.17 mi (8,203.10 km) |
| Webster to Cubellas | 5,229.05 mi (8,415.35 km) |
| Webster to Cuellar | 4,942.29 mi (7,953.84 km) |
