| Holtsville to Cordele (Georgia) | 853.26 mi (1,373.19 km) |
| Holtsville to Corinth (Mississippi) | 934.11 mi (1,503.30 km) |
| Holtsville to Corinth (Texas) | 1,422.17 mi (2,288.76 km) |
| Holtsville to Cornelius (North Carolina) | 563.02 mi (906.09 km) |
| Holtsville to Cornelius (Oregon) | 2,499.90 mi (4,023.20 km) |
| Holtsville to Corning (New York) | 227.17 mi (365.59 km) |
| Holtsville to Corona (California) | 2,465.31 mi (3,967.53 km) |
| Holtsville to Coronado (California) | 2,479.46 mi (3,990.30 km) |
| Holtsville to Corpus Christi (Texas) | 1,648.76 mi (2,653.42 km) |
| Holtsville to Corsicana (Texas) | 1,428.75 mi (2,299.35 km) |
| Holtsville to Cortland (New York) | 203.42 mi (327.38 km) |
| Holtsville to Corvallis (Oregon) | 2,523.85 mi (4,061.74 km) |
| Holtsville to Coshocton (Ohio) | 463.63 mi (746.13 km) |
| Holtsville to Costa Mesa (California) | 2,489.12 mi (4,005.86 km) |
| Holtsville to Coto de Caza (California) | 2,474.08 mi (3,981.64 km) |
