| Holtsville to Castle Pines (Colorado) | 1,674.45 mi (2,694.77 km) |
| Holtsville to Castle Rock (Colorado) | 1,674.96 mi (2,695.59 km) |
| Holtsville to Castro Valley (California) | 2,596.86 mi (4,179.25 km) |
| Holtsville to Catalina Foothills (Arizona) | 2,162.39 mi (3,480.03 km) |
| Holtsville to Cataño (Puerto Rico) | 1,599.18 mi (2,573.63 km) |
| Holtsville to Cathedral City (California) | 2,408.56 mi (3,876.20 km) |
| Holtsville to Catonsville (Maryland) | 222.90 mi (358.72 km) |
| Holtsville to Cave Spring (Virginia) | 448.23 mi (721.36 km) |
| Holtsville to Cayce (South Carolina) | 645.89 mi (1,039.45 km) |
| Holtsville to Cayey (Puerto Rico) | 1,620.58 mi (2,608.07 km) |
| Holtsville to Cedar City (Utah) | 2,135.22 mi (3,436.31 km) |
| Holtsville to Cedar Falls (Iowa) | 1,006.47 mi (1,619.76 km) |
| Holtsville to Cedar Hill (Texas) | 1,435.77 mi (2,310.65 km) |
| Holtsville to Cedar Lake (Indiana) | 749.68 mi (1,206.49 km) |
| Holtsville to Cedar Mill (Oregon) | 2,487.78 mi (4,003.69 km) |
