| Civitavecchia to Campos del Puerto | 494.83 mi (796.35 km) |
| Civitavecchia to Canals | 684.85 mi (1,102.16 km) |
| Civitavecchia to Candelaria | 1,839.12 mi (2,959.78 km) |
| Civitavecchia to Canet de Mar | 475.48 mi (765.22 km) |
| Civitavecchia to Cangas | 1,051.26 mi (1,691.85 km) |
| Civitavecchia to Cangas de Narcea | 933.23 mi (1,501.89 km) |
| Civitavecchia to Canovellas | 490.71 mi (789.71 km) |
| Civitavecchia to Canteras | 747.46 mi (1,202.92 km) |
| Civitavecchia to Cantillana | 982.69 mi (1,581.49 km) |
| Civitavecchia to Capdepera | 467.10 mi (751.73 km) |
| Civitavecchia to Carballo | 1,041.04 mi (1,675.38 km) |
| Civitavecchia to Carcagente | 673.90 mi (1,084.54 km) |
| Civitavecchia to Cardedeu | 486.51 mi (782.97 km) |
| Civitavecchia to Carlet | 674.88 mi (1,086.11 km) |
| Civitavecchia to Carmona | 977.31 mi (1,572.83 km) |
