| Duarte to Cehegin | 5,983.13 mi (9,628.92 km) |
| Duarte to Cervello | 5,973.59 mi (9,613.56 km) |
| Duarte to Cervera | 5,935.03 mi (9,551.50 km) |
| Duarte to Ceuti | 6,005.02 mi (9,664.15 km) |
| Duarte to Cheste | 5,963.18 mi (9,596.81 km) |
| Duarte to Chiclana de la Frontera | 5,877.29 mi (9,458.58 km) |
| Duarte to Chipiona | 5,851.25 mi (9,416.68 km) |
| Duarte to Chiva | 5,962.18 mi (9,595.20 km) |
| Duarte to Churriana de la Vega | 5,950.22 mi (9,575.95 km) |
| Duarte to Ciempozuelos | 5,815.61 mi (9,359.32 km) |
| Duarte to Cieza | 5,991.68 mi (9,642.67 km) |
| Duarte to Cisterniga | 5,708.02 mi (9,186.17 km) |
| Duarte to Ciudad de Melilla | 6,064.59 mi (9,760.02 km) |
| Duarte to Ciudad Real | 5,856.52 mi (9,425.15 km) |
| Duarte to Ciudad-Rodrigo | 5,678.20 mi (9,138.17 km) |
