| Portogruaro to Corinth (Mississippi) | 5,020.18 mi (8,079.20 km) |
| Portogruaro to Corinth (Texas) | 5,449.20 mi (8,769.64 km) |
| Portogruaro to Cornelius (North Carolina) | 4,679.06 mi (7,530.22 km) |
| Portogruaro to Cornelius (Oregon) | 5,580.06 mi (8,980.23 km) |
| Portogruaro to Corning (New York) | 4,227.70 mi (6,803.82 km) |
| Portogruaro to Corona (California) | 6,123.24 mi (9,854.40 km) |
| Portogruaro to Coronado (California) | 6,180.76 mi (9,946.97 km) |
| Portogruaro to Corpus Christi (Texas) | 5,741.48 mi (9,240.02 km) |
| Portogruaro to Corsicana (Texas) | 5,480.25 mi (8,819.62 km) |
| Portogruaro to Cortland (New York) | 4,173.06 mi (6,715.90 km) |
| Portogruaro to Corvallis (Oregon) | 5,642.64 mi (9,080.95 km) |
| Portogruaro to Coshocton (Ohio) | 4,503.53 mi (7,247.73 km) |
| Portogruaro to Costa Mesa (California) | 6,145.27 mi (9,889.85 km) |
| Portogruaro to Coto de Caza (California) | 6,139.44 mi (9,880.47 km) |
| Portogruaro to Cottage Grove (Minnesota) | 4,714.63 mi (7,587.46 km) |
