| Ronkonkoma to Rockport (Texas) | 1,617.04 mi (2,602.37 km) |
| Ronkonkoma to Rockville (Maryland) | 244.33 mi (393.22 km) |
| Ronkonkoma to Rockville Centre (New York) | 28.57 mi (45.97 km) |
| Ronkonkoma to Rockwall (Texas) | 1,393.73 mi (2,243.00 km) |
| Ronkonkoma to Rocky Mount (North Carolina) | 419.18 mi (674.60 km) |
| Ronkonkoma to Rocky Point (New York) | 13.41 mi (21.58 km) |
| Ronkonkoma to Rocky River (Ohio) | 456.30 mi (734.35 km) |
| Ronkonkoma to Roessleville (New York) | 135.31 mi (217.76 km) |
| Ronkonkoma to Rogers (Arkansas) | 1,174.43 mi (1,890.06 km) |
| Ronkonkoma to Rogers (Minnesota) | 1,073.75 mi (1,728.03 km) |
| Ronkonkoma to Rohnert Park (California) | 2,610.07 mi (4,200.51 km) |
| Ronkonkoma to Rolla (Missouri) | 1,012.70 mi (1,629.79 km) |
| Ronkonkoma to Rolling Meadows (Illinois) | 775.77 mi (1,248.49 km) |
| Ronkonkoma to Roma (Texas) | 1,779.65 mi (2,864.07 km) |
| Ronkonkoma to Rome (Georgia) | 799.28 mi (1,286.32 km) |
