| Holtsville to Conyers (Georgia) | 777.90 mi (1,251.91 km) |
| Holtsville to Cookeville (Tennessee) | 746.37 mi (1,201.17 km) |
| Holtsville to Coolidge (Arizona) | 2,176.66 mi (3,503.00 km) |
| Holtsville to Coon Rapids (Minnesota) | 1,064.30 mi (1,712.83 km) |
| Holtsville to Cooper City (Florida) | 1,101.34 mi (1,772.43 km) |
| Holtsville to Coos Bay (Oregon) | 2,588.88 mi (4,166.41 km) |
| Holtsville to Copiague (New York) | 20.66 mi (33.25 km) |
| Holtsville to Coppell (Texas) | 1,424.24 mi (2,292.09 km) |
| Holtsville to Copperas Cove (Texas) | 1,536.29 mi (2,472.42 km) |
| Holtsville to Coral Gables (Florida) | 1,123.25 mi (1,807.70 km) |
| Holtsville to Coral Springs (Florida) | 1,086.25 mi (1,748.16 km) |
| Holtsville to Coral Terrace (Florida) | 1,121.19 mi (1,804.38 km) |
| Holtsville to Coralville (Iowa) | 963.72 mi (1,550.95 km) |
| Holtsville to Coram (New York) | 5.17 mi (8.32 km) |
| Holtsville to Corcoran (California) | 2,508.62 mi (4,037.23 km) |
