| Constanta to Calafell | 1,383.39 mi (2,226.36 km) |
| Constanta to Calahorra | 1,536.85 mi (2,473.32 km) |
| Constanta to Calasparra | 1,619.32 mi (2,606.04 km) |
| Constanta to Calatayud | 1,538.88 mi (2,476.60 km) |
| Constanta to Caldas de Montbuy | 1,345.02 mi (2,164.59 km) |
| Constanta to Caldas de Reyes | 1,858.61 mi (2,991.14 km) |
| Constanta to Calella | 1,320.72 mi (2,125.49 km) |
| Constanta to Callosa de Segura | 1,581.90 mi (2,545.82 km) |
| Constanta to Calpe | 1,521.45 mi (2,448.54 km) |
| Constanta to Calvia | 1,375.15 mi (2,213.09 km) |
| Constanta to Camas | 1,857.89 mi (2,989.98 km) |
| Constanta to Cambados | 1,868.50 mi (3,007.06 km) |
| Constanta to Cambre | 1,831.14 mi (2,946.93 km) |
| Constanta to Cambrils | 1,411.62 mi (2,271.79 km) |
| Constanta to Campo de Criptana | 1,657.78 mi (2,667.94 km) |
