| Volterra to Cookeville (Tennessee) | 4,844.51 mi (7,796.49 km) |
| Volterra to Coolidge (Arizona) | 6,032.67 mi (9,708.64 km) |
| Volterra to Coon Rapids (Minnesota) | 4,752.48 mi (7,648.37 km) |
| Volterra to Cooper City (Florida) | 5,059.56 mi (8,142.58 km) |
| Volterra to Coos Bay (Oregon) | 5,830.46 mi (9,383.23 km) |
| Volterra to Copiague (New York) | 4,132.29 mi (6,650.27 km) |
| Volterra to Coppell (Texas) | 5,474.05 mi (8,809.63 km) |
| Volterra to Copperas Cove (Texas) | 5,602.93 mi (9,017.04 km) |
| Volterra to Coral Gables (Florida) | 5,074.30 mi (8,166.30 km) |
| Volterra to Coral Springs (Florida) | 5,048.22 mi (8,124.32 km) |
| Volterra to Coral Terrace (Florida) | 5,073.95 mi (8,165.74 km) |
| Volterra to Coralville (Iowa) | 4,845.11 mi (7,797.45 km) |
| Volterra to Coram (New York) | 4,107.41 mi (6,610.24 km) |
| Volterra to Corcoran (California) | 6,123.81 mi (9,855.32 km) |
| Volterra to Cordele (Georgia) | 4,954.67 mi (7,973.77 km) |
