| Portogruaro to Cookeville (Tennessee) | 4,840.63 mi (7,790.24 km) |
| Portogruaro to Coolidge (Arizona) | 5,983.28 mi (9,629.15 km) |
| Portogruaro to Coon Rapids (Minnesota) | 4,710.93 mi (7,581.51 km) |
| Portogruaro to Cooper City (Florida) | 5,092.42 mi (8,195.45 km) |
| Portogruaro to Coos Bay (Oregon) | 5,737.62 mi (9,233.81 km) |
| Portogruaro to Copiague (New York) | 4,136.88 mi (6,657.67 km) |
| Portogruaro to Coppell (Texas) | 5,455.41 mi (8,779.63 km) |
| Portogruaro to Copperas Cove (Texas) | 5,586.60 mi (8,990.77 km) |
| Portogruaro to Coral Gables (Florida) | 5,108.06 mi (8,220.62 km) |
| Portogruaro to Coral Springs (Florida) | 5,080.56 mi (8,176.36 km) |
| Portogruaro to Coral Terrace (Florida) | 5,107.53 mi (8,219.77 km) |
| Portogruaro to Coralville (Iowa) | 4,815.49 mi (7,749.78 km) |
| Portogruaro to Coram (New York) | 4,111.98 mi (6,617.60 km) |
| Portogruaro to Corcoran (California) | 6,051.55 mi (9,739.03 km) |
| Portogruaro to Cordele (Georgia) | 4,965.22 mi (7,990.74 km) |
