| Holtsville to Clemson (South Carolina) | 680.49 mi (1,095.14 km) |
| Holtsville to Clermont (Florida) | 980.06 mi (1,577.25 km) |
| Holtsville to Cleveland (Mississippi) | 1,085.20 mi (1,746.47 km) |
| Holtsville to Cleveland (Ohio) | 451.47 mi (726.58 km) |
| Holtsville to Cleveland (Tennessee) | 751.31 mi (1,209.12 km) |
| Holtsville to Cleveland Heights (Ohio) | 445.57 mi (717.07 km) |
| Holtsville to Cliffside Park (New Jersey) | 49.32 mi (79.38 km) |
| Holtsville to Clifton (Colorado) | 1,867.10 mi (3,004.80 km) |
| Holtsville to Clifton (New Jersey) | 58.27 mi (93.78 km) |
| Holtsville to Clinton (Iowa) | 893.58 mi (1,438.08 km) |
| Holtsville to Clinton (Maryland) | 249.66 mi (401.79 km) |
| Holtsville to Clinton (Mississippi) | 1,120.45 mi (1,803.19 km) |
| Holtsville to Clinton (Utah) | 2,018.29 mi (3,248.13 km) |
| Holtsville to Clive (Iowa) | 1,077.50 mi (1,734.06 km) |
| Holtsville to Cloquet (Minnesota) | 1,049.21 mi (1,688.55 km) |
