| Diest to Cervello | 678.65 mi (1,092.18 km) |
| Diest to Cervera | 668.43 mi (1,075.74 km) |
| Diest to Ceuti | 943.66 mi (1,518.67 km) |
| Diest to Cheste | 841.84 mi (1,354.81 km) |
| Diest to Chiclana de la Frontera | 1,148.65 mi (1,848.58 km) |
| Diest to Chipiona | 1,135.80 mi (1,827.89 km) |
| Diest to Chiva | 842.95 mi (1,356.59 km) |
| Diest to Churriana de la Vega | 1,047.23 mi (1,685.35 km) |
| Diest to Ciempozuelos | 856.13 mi (1,377.81 km) |
| Diest to Cieza | 935.46 mi (1,505.48 km) |
| Diest to Cisterniga | 795.33 mi (1,279.96 km) |
| Diest to Ciudad de Melilla | 1,155.80 mi (1,860.08 km) |
| Diest to Ciudad Real | 936.31 mi (1,506.84 km) |
| Diest to Ciudad-Rodrigo | 907.10 mi (1,459.84 km) |
| Diest to Cocentaina | 886.79 mi (1,427.14 km) |
