How long does it take by airplane to get from Washington dc to tehran?

The flight time from Washington, D.C. to Tehran typically ranges from about 14 to 18 hours, depending on factors such as the specific flight route, layovers, and prevailing winds. There are usually no direct flights, so travelers often have one or more layovers, which can extend the total travel time. Always check current flight schedules for the most accurate information.