| Ronkonkoma to Robbinsdale (Minnesota) | 1,060.21 mi (1,706.24 km) |
| Ronkonkoma to Robertsville (New Jersey) | 69.24 mi (111.44 km) |
| Ronkonkoma to Robinson (Texas) | 1,480.32 mi (2,382.35 km) |
| Ronkonkoma to Robstown (Texas) | 1,655.53 mi (2,664.32 km) |
| Ronkonkoma to Rochester (Michigan) | 531.08 mi (854.69 km) |
| Ronkonkoma to Rochester (Minnesota) | 1,009.40 mi (1,624.47 km) |
| Ronkonkoma to Rochester (New Hampshire) | 204.54 mi (329.18 km) |
| Ronkonkoma to Rochester (New York) | 282.60 mi (454.79 km) |
| Ronkonkoma to Rochester Hills (Michigan) | 532.62 mi (857.17 km) |
| Ronkonkoma to Rock Hill (South Carolina) | 590.86 mi (950.90 km) |
| Ronkonkoma to Rock Island (Illinois) | 908.09 mi (1,461.43 km) |
| Ronkonkoma to Rock Springs (Wyoming) | 1,863.57 mi (2,999.12 km) |
| Ronkonkoma to Rockford (Illinois) | 829.30 mi (1,334.63 km) |
| Ronkonkoma to Rockledge (Florida) | 964.16 mi (1,551.67 km) |
| Ronkonkoma to Rocklin (California) | 2,525.78 mi (4,064.85 km) |
