| Portogruaro to Coin | 1,105.90 mi (1,779.78 km) |
| Portogruaro to Colindres | 816.40 mi (1,313.86 km) |
| Portogruaro to Collado-Villalba | 917.47 mi (1,476.53 km) |
| Portogruaro to Colmenar Viejo | 905.45 mi (1,457.19 km) |
| Portogruaro to Colmenarejo | 920.26 mi (1,481.02 km) |
| Portogruaro to Conil de la Frontera | 1,180.46 mi (1,899.76 km) |
| Portogruaro to Consuegra | 940.55 mi (1,513.66 km) |
| Portogruaro to Corbera de Llobregat | 622.58 mi (1,001.94 km) |
| Portogruaro to Cordoba | 1,054.82 mi (1,697.57 km) |
| Portogruaro to Coria del Rio | 1,135.39 mi (1,827.23 km) |
| Portogruaro to Crevillente | 870.62 mi (1,401.12 km) |
| Portogruaro to Cuarte de Huerva | 744.55 mi (1,198.24 km) |
| Portogruaro to Cubellas | 641.58 mi (1,032.52 km) |
| Portogruaro to Cuellar | 907.75 mi (1,460.88 km) |
| Portogruaro to Cuenca | 852.89 mi (1,372.59 km) |
