| Ronkonkoma to Rosemont (California) | 2,537.06 mi (4,083.00 km) |
| Ronkonkoma to Rosemount (Minnesota) | 1,044.43 mi (1,680.85 km) |
| Ronkonkoma to Rosenberg (Texas) | 1,492.62 mi (2,402.14 km) |
| Ronkonkoma to Roseville (California) | 2,530.21 mi (4,071.98 km) |
| Ronkonkoma to Roseville (Michigan) | 519.71 mi (836.40 km) |
| Ronkonkoma to Roseville (Minnesota) | 1,051.47 mi (1,692.19 km) |
| Ronkonkoma to Rossmoor (California) | 2,490.17 mi (4,007.54 km) |
| Ronkonkoma to Rossville (Maryland) | 203.43 mi (327.39 km) |
| Ronkonkoma to Roswell (Georgia) | 772.20 mi (1,242.74 km) |
| Ronkonkoma to Roswell (New Mexico) | 1,794.58 mi (2,888.10 km) |
| Ronkonkoma to Round Lake (Illinois) | 780.60 mi (1,256.25 km) |
| Ronkonkoma to Round Lake Beach (Illinois) | 779.46 mi (1,254.42 km) |
| Ronkonkoma to Round Rock (Texas) | 1,542.32 mi (2,482.12 km) |
| Ronkonkoma to Rowland Heights (California) | 2,475.06 mi (3,983.22 km) |
| Ronkonkoma to Rowlett (Texas) | 1,399.40 mi (2,252.12 km) |
