Air distance from Tucson, USA to Aden, Yemen is 8956.4 Miles (14413.9 Kilometers / 7777.7 Nautical Miles).
18 hrs, 35 mins is the flight duration between Tucson and Aden. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.