| Piacenza to Cookeville (Tennessee) | 4,736.49 mi (7,622.64 km) |
| Piacenza to Coolidge (Arizona) | 5,911.64 mi (9,513.87 km) |
| Piacenza to Coon Rapids (Minnesota) | 4,633.02 mi (7,456.13 km) |
| Piacenza to Cooper City (Florida) | 4,966.83 mi (7,993.33 km) |
| Piacenza to Coos Bay (Oregon) | 5,703.07 mi (9,178.21 km) |
| Piacenza to Copiague (New York) | 4,027.18 mi (6,481.11 km) |
| Piacenza to Coppell (Texas) | 5,361.21 mi (8,628.03 km) |
| Piacenza to Copperas Cove (Texas) | 5,490.87 mi (8,836.69 km) |
| Piacenza to Coral Gables (Florida) | 4,981.99 mi (8,017.74 km) |
| Piacenza to Coral Springs (Florida) | 4,955.23 mi (7,974.68 km) |
| Piacenza to Coral Terrace (Florida) | 4,981.56 mi (8,017.05 km) |
| Piacenza to Coralville (Iowa) | 4,728.82 mi (7,610.30 km) |
| Piacenza to Coram (New York) | 4,002.28 mi (6,441.05 km) |
| Piacenza to Corcoran (California) | 5,998.58 mi (9,653.78 km) |
| Piacenza to Cordele (Georgia) | 4,852.17 mi (7,808.82 km) |
