| Holtsville to Carlsbad (California) | 2,472.10 mi (3,978.47 km) |
| Holtsville to Carlsbad (New Mexico) | 1,813.89 mi (2,919.17 km) |
| Holtsville to Carmel (Indiana) | 691.30 mi (1,112.54 km) |
| Holtsville to Carmichael (California) | 2,537.61 mi (4,083.90 km) |
| Holtsville to Carney (Maryland) | 207.95 mi (334.66 km) |
| Holtsville to Carnot-Moon (Pennsylvania) | 376.38 mi (605.72 km) |
| Holtsville to Carol Stream (Illinois) | 784.99 mi (1,263.31 km) |
| Holtsville to Carolina (Puerto Rico) | 1,603.86 mi (2,581.17 km) |
| Holtsville to Carolina Forest (South Carolina) | 583.74 mi (939.45 km) |
| Holtsville to Carpentersville (Illinois) | 793.39 mi (1,276.83 km) |
| Holtsville to Carpinteria (California) | 2,551.63 mi (4,106.45 km) |
| Holtsville to Carrboro (North Carolina) | 470.03 mi (756.44 km) |
| Holtsville to Carroll (Iowa) | 1,130.41 mi (1,819.22 km) |
| Holtsville to Carrollton (Georgia) | 828.51 mi (1,333.37 km) |
| Holtsville to Carrollton (Texas) | 1,418.82 mi (2,283.37 km) |
