| Sulphur to Cocentaina | 5,091.60 mi (8,194.14 km) |
| Sulphur to Coin | 4,939.38 mi (7,949.17 km) |
| Sulphur to Colindres | 4,815.96 mi (7,750.54 km) |
| Sulphur to Collado-Villalba | 4,864.75 mi (7,829.06 km) |
| Sulphur to Colmenar Viejo | 4,875.70 mi (7,846.67 km) |
| Sulphur to Colmenarejo | 4,866.33 mi (7,831.61 km) |
| Sulphur to Conil de la Frontera | 4,883.05 mi (7,858.51 km) |
| Sulphur to Consuegra | 4,916.86 mi (7,912.92 km) |
| Sulphur to Corbera de Llobregat | 5,122.39 mi (8,243.69 km) |
| Sulphur to Cordoba | 4,903.44 mi (7,891.32 km) |
| Sulphur to Coria del Rio | 4,856.51 mi (7,815.80 km) |
| Sulphur to Crevillente | 5,088.69 mi (8,189.46 km) |
| Sulphur to Cuarte de Huerva | 4,984.64 mi (8,022.01 km) |
| Sulphur to Cubellas | 5,116.80 mi (8,234.69 km) |
| Sulphur to Cuellar | 4,829.16 mi (7,771.78 km) |
