| Opatija to Cervello | 676.03 mi (1,087.97 km) |
| Opatija to Cervera | 699.44 mi (1,125.63 km) |
| Opatija to Ceuti | 944.34 mi (1,519.76 km) |
| Opatija to Cheste | 862.94 mi (1,388.78 km) |
| Opatija to Chiclana de la Frontera | 1,228.13 mi (1,976.49 km) |
| Opatija to Chipiona | 1,228.03 mi (1,976.33 km) |
| Opatija to Chiva | 864.84 mi (1,391.82 km) |
| Opatija to Churriana de la Vega | 1,086.91 mi (1,749.22 km) |
| Opatija to Ciempozuelos | 974.31 mi (1,568.00 km) |
| Opatija to Cieza | 944.12 mi (1,519.42 km) |
| Opatija to Cisterniga | 983.24 mi (1,582.38 km) |
| Opatija to Ciudad de Melilla | 1,139.63 mi (1,834.06 km) |
| Opatija to Ciudad Real | 1,027.93 mi (1,654.29 km) |
| Opatija to Ciudad-Rodrigo | 1,099.66 mi (1,769.73 km) |
| Opatija to Cocentaina | 880.78 mi (1,417.49 km) |
