| Portogruaro to Culpeper (Virginia) | 4,423.92 mi (7,119.61 km) |
| Portogruaro to Culver City (California) | 6,139.95 mi (9,881.30 km) |
| Portogruaro to Cumberland (Maryland) | 4,404.08 mi (7,087.68 km) |
| Portogruaro to Cupertino (California) | 6,047.60 mi (9,732.67 km) |
| Portogruaro to Cutler Bay (Florida) | 5,117.01 mi (8,235.03 km) |
| Portogruaro to Cutlerville (Michigan) | 4,538.67 mi (7,304.29 km) |
| Portogruaro to Cuyahoga Falls (Ohio) | 4,450.46 mi (7,162.32 km) |
| Portogruaro to Cypress (California) | 6,140.24 mi (9,881.75 km) |
| Portogruaro to Cypress Gardens (Florida) | 5,061.89 mi (8,146.33 km) |
| Portogruaro to Cypress Lake (Florida) | 5,141.24 mi (8,274.02 km) |
| Portogruaro to D'Iberville (Mississippi) | 5,254.03 mi (8,455.54 km) |
| Portogruaro to Dakota Ridge (Colorado) | 5,400.63 mi (8,691.48 km) |
| Portogruaro to Dale City (Virginia) | 4,388.75 mi (7,063.01 km) |
| Portogruaro to Dallas (Georgia) | 4,918.01 mi (7,914.78 km) |
| Portogruaro to Dallas (Oregon) | 5,622.24 mi (9,048.12 km) |
