| Holtsville to Dover (New Hampshire) | 198.12 mi (318.85 km) |
| Holtsville to Dover (New Jersey) | 79.34 mi (127.69 km) |
| Holtsville to Dover (Ohio) | 442.34 mi (711.87 km) |
| Holtsville to Downers Grove (Illinois) | 779.10 mi (1,253.85 km) |
| Holtsville to Downey (California) | 2,492.67 mi (4,011.57 km) |
| Holtsville to Dranesville (Virginia) | 261.30 mi (420.51 km) |
| Holtsville to Draper (Utah) | 2,017.84 mi (3,247.41 km) |
| Holtsville to Drexel Heights (Arizona) | 2,175.92 mi (3,501.80 km) |
| Holtsville to Drexel Hill (Pennsylvania) | 133.01 mi (214.05 km) |
| Holtsville to Duarte (California) | 2,476.90 mi (3,986.18 km) |
| Holtsville to Dublin (California) | 2,588.17 mi (4,165.26 km) |
| Holtsville to Dublin (Georgia) | 790.77 mi (1,272.62 km) |
| Holtsville to Dublin (Ohio) | 532.89 mi (857.60 km) |
| Holtsville to Dubuque (Iowa) | 917.50 mi (1,476.58 km) |
| Holtsville to Duluth (Georgia) | 768.76 mi (1,237.20 km) |
