2 doctors agreed: No: I know of no research that shows xenical can cause a false-positive drug test. All xenical does is block some of the fat from your diet from being absorbed, thus decreasing your calorie intake. This shouldn't cause either a urine or a blood drug test to become positive.
The total flight duration from New York, NY to Dominican Republic is 3 hours, 31 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing.
To: Please note: this page displays the approximate non-stop flight duration times. The actual flight times may differ depending on the type and speed of the aircraft. To see the distance between other cities in USA and Dominican Republic use the distance calculator to the right.