| Holtsville to Somersworth (New Hampshire) | 201.78 mi (324.74 km) |
| Holtsville to Somerton (Arizona) | 2,352.72 mi (3,786.33 km) |
| Holtsville to Somerville (Massachusetts) | 148.23 mi (238.55 km) |
| Holtsville to Somerville (New Jersey) | 83.66 mi (134.64 km) |
| Holtsville to Sonoma (California) | 2,603.30 mi (4,189.61 km) |
| Holtsville to Soquel (California) | 2,608.53 mi (4,198.02 km) |
| Holtsville to South Bend (Indiana) | 688.96 mi (1,108.77 km) |
| Holtsville to South Bradenton (Florida) | 1,070.06 mi (1,722.10 km) |
| Holtsville to South Burlington (Vermont) | 252.33 mi (406.09 km) |
| Holtsville to South Charleston (West Virginia) | 492.01 mi (791.82 km) |
| Holtsville to South Daytona (Florida) | 921.29 mi (1,482.68 km) |
| Holtsville to South El Monte (California) | 2,485.18 mi (3,999.51 km) |
| Holtsville to South Elgin (Illinois) | 794.44 mi (1,278.52 km) |
| Holtsville to South Euclid (Ohio) | 443.60 mi (713.91 km) |
| Holtsville to South Farmingdale (New York) | 22.07 mi (35.51 km) |
