| Portogruaro to Castle Rock (Colorado) | 5,404.23 mi (8,697.27 km) |
| Portogruaro to Castro Valley (California) | 6,024.49 mi (9,695.48 km) |
| Portogruaro to Catalina Foothills (Arizona) | 5,997.25 mi (9,651.65 km) |
| Portogruaro to Cataño (Puerto Rico) | 4,789.48 mi (7,707.92 km) |
| Portogruaro to Cathedral City (California) | 6,090.89 mi (9,802.34 km) |
| Portogruaro to Catonsville (Maryland) | 4,336.80 mi (6,979.41 km) |
| Portogruaro to Cave Spring (Virginia) | 4,563.11 mi (7,343.61 km) |
| Portogruaro to Cayce (South Carolina) | 4,755.81 mi (7,653.74 km) |
| Portogruaro to Cayey (Puerto Rico) | 4,805.59 mi (7,733.85 km) |
| Portogruaro to Cedar City (Utah) | 5,765.02 mi (9,277.90 km) |
| Portogruaro to Cedar Falls (Iowa) | 4,807.66 mi (7,737.19 km) |
| Portogruaro to Cedar Hill (Texas) | 5,473.88 mi (8,809.36 km) |
| Portogruaro to Cedar Lake (Indiana) | 4,673.77 mi (7,521.71 km) |
| Portogruaro to Cedar Mill (Oregon) | 5,573.08 mi (8,969.00 km) |
| Portogruaro to Cedar Park (Texas) | 5,614.49 mi (9,035.65 km) |
