| Barstow to Cehegin | 5,912.31 mi (9,514.94 km) |
| Barstow to Cervello | 5,903.09 mi (9,500.11 km) |
| Barstow to Cervera | 5,864.51 mi (9,438.02 km) |
| Barstow to Ceuti | 5,934.21 mi (9,550.18 km) |
| Barstow to Cheste | 5,892.43 mi (9,482.95 km) |
| Barstow to Chiclana de la Frontera | 5,806.51 mi (9,344.67 km) |
| Barstow to Chipiona | 5,780.46 mi (9,302.76 km) |
| Barstow to Chiva | 5,891.43 mi (9,481.33 km) |
| Barstow to Churriana de la Vega | 5,879.38 mi (9,461.95 km) |
| Barstow to Ciempozuelos | 5,744.81 mi (9,245.38 km) |
| Barstow to Cieza | 5,920.86 mi (9,528.71 km) |
| Barstow to Cisterniga | 5,637.25 mi (9,072.28 km) |
| Barstow to Ciudad de Melilla | 5,993.78 mi (9,646.05 km) |
| Barstow to Ciudad Real | 5,785.68 mi (9,311.16 km) |
| Barstow to Ciudad-Rodrigo | 5,607.36 mi (9,024.18 km) |
