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DCA to DEF: distance & flight time
Washington (Ronald Reagan Washington National Airport) → Dezful (Dezful Airport)
6,395 mi
10,292 km · 5,557 nm
13h
estimated nonstop flight time
+7.5h
time difference · heading northeast
See live DCA→DEF fares Phone-only fares on this route — call free
Flight time details
6,395 miles nonstop takes roughly 13h gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7.5-hour time gain when reading arrival times on your ticket.
The two airports
- DCA — Ronald Reagan Washington National Airport · Washington, United States
- DEF — Dezful Airport · Dezful, Iran
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near DCA
Near DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
Frequently asked questions
How far is DCA from DEF?
The flight distance from Washington (DCA) to Dezful (DEF) is 6,395 miles (10,292 km, 5,557 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCA to DEF?
A nonstop flight takes about 13h gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Washington and Dezful?
Dezful is 7.5 hours ahead of Washington.
What is the cheapest way to fly from DCA to DEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–DEF that never appear on search engines, with no booking fees.