| Holtsville to Romeoville (Illinois) | 783.44 mi (1,260.83 km) |
| Holtsville to Romulus (Michigan) | 542.43 mi (872.96 km) |
| Holtsville to Ronkonkoma (New York) | 4.22 mi (6.79 km) |
| Holtsville to Roosevelt (New York) | 29.67 mi (47.74 km) |
| Holtsville to Rosamond (California) | 2,471.11 mi (3,976.86 km) |
| Holtsville to Rosaryville (Maryland) | 245.49 mi (395.07 km) |
| Holtsville to Roscoe (Illinois) | 830.80 mi (1,337.05 km) |
| Holtsville to Rose Hill (Virginia) | 257.08 mi (413.74 km) |
| Holtsville to Roseburg (Oregon) | 2,548.54 mi (4,101.48 km) |
| Holtsville to Rosedale (California) | 2,508.47 mi (4,036.99 km) |
| Holtsville to Rosedale (Maryland) | 209.93 mi (337.85 km) |
| Holtsville to Roselle (Illinois) | 782.75 mi (1,259.71 km) |
| Holtsville to Roselle (New Jersey) | 64.57 mi (103.92 km) |
| Holtsville to Roselle Park (New Jersey) | 64.77 mi (104.24 km) |
| Holtsville to Rosemead (California) | 2,486.39 mi (4,001.45 km) |
