Air distance from Suva, Fiji to Tehran, Iran is 9000.5 Miles (14484.9 Kilometers / 7816 Nautical Miles).
Flight duration time from Suva to Tehran is 18 hrs, 41 mins. 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.