| Quarteira to Cividale del Friuli | 1,270.05 mi (2,043.95 km) |
| Quarteira to Civita Castellana | 1,145.62 mi (1,843.69 km) |
| Quarteira to Civitanova Marche | 1,225.99 mi (1,973.05 km) |
| Quarteira to Civitavecchia | 1,112.31 mi (1,790.09 km) |
| Quarteira to Civitella in Val di Chiana | 1,129.99 mi (1,818.55 km) |
| Quarteira to Clusone | 1,111.45 mi (1,788.71 km) |
| Quarteira to Coccaglio | 1,102.88 mi (1,774.91 km) |
| Quarteira to Codigoro | 1,179.23 mi (1,897.78 km) |
| Quarteira to Codogno | 1,078.95 mi (1,736.40 km) |
| Quarteira to Codroipo | 1,246.30 mi (2,005.72 km) |
| Quarteira to Cogoleto | 1,009.54 mi (1,624.70 km) |
| Quarteira to Colle di Val d'Elsa | 1,101.59 mi (1,772.83 km) |
| Quarteira to Colle Salvetti | 1,074.74 mi (1,729.63 km) |
| Quarteira to Collecchio | 1,090.37 mi (1,754.78 km) |
| Quarteira to Colleferro | 1,169.33 mi (1,881.85 km) |
