| Costa de Caparica to Cividale del Friuli | 1,260.84 mi (2,029.12 km) |
| Costa de Caparica to Civita Castellana | 1,161.97 mi (1,870.02 km) |
| Costa de Caparica to Civitanova Marche | 1,236.25 mi (1,989.55 km) |
| Costa de Caparica to Civitavecchia | 1,129.65 mi (1,817.99 km) |
| Costa de Caparica to Civitella in Val di Chiana | 1,137.23 mi (1,830.19 km) |
| Costa de Caparica to Clusone | 1,097.27 mi (1,765.88 km) |
| Costa de Caparica to Coccaglio | 1,091.09 mi (1,755.93 km) |
| Costa de Caparica to Codigoro | 1,176.63 mi (1,893.61 km) |
| Costa de Caparica to Codogno | 1,069.58 mi (1,721.33 km) |
| Costa de Caparica to Codroipo | 1,237.27 mi (1,991.20 km) |
| Costa de Caparica to Cogoleto | 1,003.94 mi (1,615.68 km) |
| Costa de Caparica to Colle di Val d'Elsa | 1,108.19 mi (1,783.46 km) |
| Costa de Caparica to Colle Salvetti | 1,078.85 mi (1,736.24 km) |
| Costa de Caparica to Collecchio | 1,085.14 mi (1,746.36 km) |
| Costa de Caparica to Colleferro | 1,190.26 mi (1,915.53 km) |
