| Portogruaro to Carson (California) | 6,145.61 mi (9,890.41 km) |
| Portogruaro to Carson City (Nevada) | 5,875.21 mi (9,455.23 km) |
| Portogruaro to Carteret (New Jersey) | 4,175.61 mi (6,720.00 km) |
| Portogruaro to Cartersville (Georgia) | 4,904.55 mi (7,893.12 km) |
| Portogruaro to Carthage (Missouri) | 5,140.76 mi (8,273.25 km) |
| Portogruaro to Cary (Illinois) | 4,665.61 mi (7,508.58 km) |
| Portogruaro to Cary (North Carolina) | 4,577.45 mi (7,366.70 km) |
| Portogruaro to Casa de Oro-Mount Helix (California) | 6,169.02 mi (9,928.07 km) |
| Portogruaro to Casa Grande (Arizona) | 5,992.85 mi (9,644.57 km) |
| Portogruaro to Casas Adobes (Arizona) | 5,999.46 mi (9,655.19 km) |
| Portogruaro to Cascades (Virginia) | 4,373.23 mi (7,038.04 km) |
| Portogruaro to Casper (Wyoming) | 5,266.09 mi (8,474.96 km) |
| Portogruaro to Casselberry (Florida) | 5,014.56 mi (8,070.15 km) |
| Portogruaro to Castaic (California) | 6,118.96 mi (9,847.51 km) |
| Portogruaro to Castle Pines (Colorado) | 5,400.18 mi (8,690.76 km) |
