| Portogruaro to Cloverly (Maryland) | 4,354.39 mi (7,007.71 km) |
| Portogruaro to Clovis (California) | 6,010.99 mi (9,673.76 km) |
| Portogruaro to Clovis (New Mexico) | 5,610.55 mi (9,029.31 km) |
| Portogruaro to Clute (Texas) | 5,594.38 mi (9,003.28 km) |
| Portogruaro to Coachella (California) | 6,089.37 mi (9,799.89 km) |
| Portogruaro to Coalinga (California) | 6,069.93 mi (9,768.61 km) |
| Portogruaro to Coamo (Puerto Rico) | 4,817.04 mi (7,752.28 km) |
| Portogruaro to Coatesville (Pennsylvania) | 4,267.48 mi (6,867.85 km) |
| Portogruaro to Cockeysville (Maryland) | 4,322.83 mi (6,956.92 km) |
| Portogruaro to Cocoa (Florida) | 5,003.26 mi (8,051.97 km) |
| Portogruaro to Cocoa Beach (Florida) | 4,999.37 mi (8,045.70 km) |
| Portogruaro to Coconut Creek (Florida) | 5,076.71 mi (8,170.17 km) |
| Portogruaro to Coeur d'Alene (Idaho) | 5,296.34 mi (8,523.63 km) |
| Portogruaro to Cohoes (New York) | 4,064.66 mi (6,541.44 km) |
| Portogruaro to Cold Springs (Nevada) | 5,849.44 mi (9,413.76 km) |
