| Sulphur to Cehegin | 5,044.89 mi (8,118.97 km) |
| Sulphur to Cervello | 5,124.30 mi (8,246.77 km) |
| Sulphur to Cervera | 5,084.15 mi (8,182.16 km) |
| Sulphur to Ceuti | 5,071.13 mi (8,161.20 km) |
| Sulphur to Cheste | 5,057.74 mi (8,139.65 km) |
| Sulphur to Chiclana de la Frontera | 4,875.47 mi (7,846.31 km) |
| Sulphur to Chipiona | 4,852.30 mi (7,809.01 km) |
| Sulphur to Chiva | 5,056.29 mi (8,137.32 km) |
| Sulphur to Churriana de la Vega | 4,980.77 mi (8,015.77 km) |
| Sulphur to Ciempozuelos | 4,896.70 mi (7,880.48 km) |
| Sulphur to Cieza | 5,059.16 mi (8,141.93 km) |
| Sulphur to Cisterniga | 4,805.73 mi (7,734.08 km) |
| Sulphur to Ciudad de Melilla | 5,071.15 mi (8,161.22 km) |
| Sulphur to Ciudad Real | 4,915.19 mi (7,910.23 km) |
| Sulphur to Ciudad-Rodrigo | 4,743.38 mi (7,633.73 km) |
