| Holtsville to Cibolo (Texas) | 1,611.37 mi (2,593.25 km) |
| Holtsville to Cicero (Illinois) | 765.84 mi (1,232.50 km) |
| Holtsville to Cimarron Hills (Colorado) | 1,675.74 mi (2,696.84 km) |
| Holtsville to Cincinnati (Ohio) | 617.25 mi (993.36 km) |
| Holtsville to Cinco Ranch (Texas) | 1,485.62 mi (2,390.87 km) |
| Holtsville to Circleville (Ohio) | 528.10 mi (849.90 km) |
| Holtsville to Citrus (California) | 2,474.97 mi (3,983.08 km) |
| Holtsville to Citrus Heights (California) | 2,534.24 mi (4,078.46 km) |
| Holtsville to Citrus Park (Florida) | 1,032.36 mi (1,661.42 km) |
| Holtsville to Claiborne (Louisiana) | 1,201.84 mi (1,934.17 km) |
| Holtsville to Claremont (California) | 2,465.62 mi (3,968.04 km) |
| Holtsville to Claremont (New Hampshire) | 181.01 mi (291.31 km) |
| Holtsville to Claremore (Oklahoma) | 1,254.18 mi (2,018.41 km) |
| Holtsville to Clarksburg (Maryland) | 248.81 mi (400.42 km) |
| Holtsville to Clarksburg (West Virginia) | 399.01 mi (642.14 km) |
