You take it to a dentist.
You cannot take a flight in the game vice city.You can take a flight only in GTA SA.You can though fly a plane that is a sea plane.You can find that sea plane behind the film studio.
It depends on the plane you take.
Only if it's a donesc flight
This flight would take only 2 hours by plane.
You can take in flight a portable oxygen as long as approved by FAA and also the plane you were boarding is also allowing you to travel with oxygen while your on flight.
By plane, it would take 6 hours.
It should take you by plane, 9 hours.
By plane, it would take 18 hours.
By plane, it would take about 5 hours.
It should take you by plane, 10 hours.
it depends how fast the plane is going