| Ronkonkoma to River Grove (Illinois) | 765.94 mi (1,232.67 km) |
| Ronkonkoma to River Ridge (Louisiana) | 1,216.38 mi (1,957.57 km) |
| Ronkonkoma to Riverbank (California) | 2,535.11 mi (4,079.86 km) |
| Ronkonkoma to Riverdale (Georgia) | 796.43 mi (1,281.73 km) |
| Ronkonkoma to Riverdale (Illinois) | 755.49 mi (1,215.85 km) |
| Ronkonkoma to Riverside (California) | 2,450.11 mi (3,943.07 km) |
| Ronkonkoma to Riverside (Ohio) | 583.44 mi (938.95 km) |
| Ronkonkoma to Riverton (Utah) | 2,018.81 mi (3,248.95 km) |
| Ronkonkoma to Riverton (Wyoming) | 1,807.38 mi (2,908.70 km) |
| Ronkonkoma to Riverview (Florida) | 1,037.18 mi (1,669.18 km) |
| Ronkonkoma to Riverview (Michigan) | 529.37 mi (851.95 km) |
| Ronkonkoma to Riviera Beach (Florida) | 1,046.89 mi (1,684.81 km) |
| Ronkonkoma to Riviera Beach (Maryland) | 212.77 mi (342.43 km) |
| Ronkonkoma to Roanoke (Virginia) | 440.02 mi (708.14 km) |
| Ronkonkoma to Roanoke Rapids (North Carolina) | 387.60 mi (623.79 km) |
