| San Pietro in Casale to Cookeville (Tennessee) | 4,820.37 mi (7,757.64 km) |
| San Pietro in Casale to Coolidge (Arizona) | 5,987.93 mi (9,636.65 km) |
| San Pietro in Casale to Coon Rapids (Minnesota) | 4,710.89 mi (7,581.44 km) |
| San Pietro in Casale to Cooper City (Florida) | 5,053.35 mi (8,132.58 km) |
| San Pietro in Casale to Coos Bay (Oregon) | 5,766.99 mi (9,281.08 km) |
| San Pietro in Casale to Copiague (New York) | 4,111.94 mi (6,617.53 km) |
| San Pietro in Casale to Coppell (Texas) | 5,443.17 mi (8,759.94 km) |
| San Pietro in Casale to Copperas Cove (Texas) | 5,573.17 mi (8,969.15 km) |
| San Pietro in Casale to Coral Gables (Florida) | 5,068.54 mi (8,157.02 km) |
| San Pietro in Casale to Coral Springs (Florida) | 5,041.74 mi (8,113.90 km) |
| San Pietro in Casale to Coral Terrace (Florida) | 5,068.10 mi (8,156.32 km) |
| San Pietro in Casale to Coralville (Iowa) | 4,808.97 mi (7,739.29 km) |
| San Pietro in Casale to Coram (New York) | 4,087.05 mi (6,577.46 km) |
| San Pietro in Casale to Corcoran (California) | 6,069.08 mi (9,767.24 km) |
| San Pietro in Casale to Cordele (Georgia) | 4,937.48 mi (7,946.10 km) |
