| San Gregorio di Catania to Cookeville (Tennessee) | 5,252.42 mi (8,452.95 km) |
| San Gregorio di Catania to Coolidge (Arizona) | 6,478.04 mi (10,425.40 km) |
| San Gregorio di Catania to Coon Rapids (Minnesota) | 5,194.30 mi (8,359.42 km) |
| San Gregorio di Catania to Cooper City (Florida) | 5,418.62 mi (8,720.42 km) |
| San Gregorio di Catania to Coos Bay (Oregon) | 6,291.07 mi (10,124.49 km) |
| San Gregorio di Catania to Copiague (New York) | 4,533.05 mi (7,295.24 km) |
| San Gregorio di Catania to Coppell (Texas) | 5,895.57 mi (9,488.01 km) |
| San Gregorio di Catania to Copperas Cove (Texas) | 6,021.88 mi (9,691.28 km) |
| San Gregorio di Catania to Coral Gables (Florida) | 5,431.92 mi (8,741.83 km) |
| San Gregorio di Catania to Coral Springs (Florida) | 5,408.10 mi (8,703.50 km) |
| San Gregorio di Catania to Coral Terrace (Florida) | 5,431.84 mi (8,741.70 km) |
| San Gregorio di Catania to Coralville (Iowa) | 5,277.79 mi (8,493.78 km) |
| San Gregorio di Catania to Coram (New York) | 4,508.30 mi (7,255.41 km) |
| San Gregorio di Catania to Corcoran (California) | 6,580.40 mi (10,590.14 km) |
| San Gregorio di Catania to Cordele (Georgia) | 5,345.14 mi (8,602.17 km) |
