Air distance from Tucson, USA to Zagreb, Croatia is 6102.7 Miles (9821.3 Kilometers / 5299.6 Nautical Miles).
12 hrs, 40 mins is the flight duration between Tucson and Zagreb. 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.