| Portogruaro to Caño Martin Peña (Puerto Rico) | 4,785.31 mi (7,701.22 km) |
| Portogruaro to Cañon City (Colorado) | 5,466.77 mi (8,797.92 km) |
| Portogruaro to Canóvanas (Puerto Rico) | 4,781.03 mi (7,694.32 km) |
| Portogruaro to Canton (Georgia) | 4,887.66 mi (7,865.94 km) |
| Portogruaro to Canton (Illinois) | 4,811.21 mi (7,742.90 km) |
| Portogruaro to Canton (Mississippi) | 5,196.41 mi (8,362.82 km) |
| Portogruaro to Canton (Ohio) | 4,459.99 mi (7,177.67 km) |
| Portogruaro to Canyon (Texas) | 5,534.95 mi (8,907.63 km) |
| Portogruaro to Canyon Lake (California) | 6,124.10 mi (9,855.79 km) |
| Portogruaro to Canyon Lake (Texas) | 5,664.84 mi (9,116.67 km) |
| Portogruaro to Cape Coral (Florida) | 5,140.48 mi (8,272.80 km) |
| Portogruaro to Cape Girardeau (Missouri) | 4,948.18 mi (7,963.33 km) |
| Portogruaro to Carbondale (Illinois) | 4,915.20 mi (7,910.25 km) |
| Portogruaro to Carlisle (Pennsylvania) | 4,316.03 mi (6,945.99 km) |
| Portogruaro to Carlsbad (California) | 6,157.71 mi (9,909.88 km) |
