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IAD to NAK: distance & flight time
Washington (Washington Dulles International Airport) → Nakhon Ratchasima (Nakhon Ratchasima Airport)
8,713 mi
14,022 km · 7,571 nm
17h 33m
estimated nonstop flight time
+11h
time difference · heading north
See live IAD→NAK fares Phone-only fares on this route — call free
Flight time details
8,713 miles nonstop takes roughly 17h 33m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- NAK — Nakhon Ratchasima Airport · Nakhon Ratchasima, Thailand
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 IAD
Near NAK
- BFV · Buri Ram Airport66 mi away
- PXR · Surin Airport79 mi away
- KKC · Khon Kaen Airport109 mi away
- ROI · Roi Et Airport126 mi away
Frequently asked questions
How far is IAD from NAK?
The flight distance from Washington (IAD) to Nakhon Ratchasima (NAK) is 8,713 miles (14,022 km, 7,571 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to NAK?
A nonstop flight takes about 17h 33m 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 Nakhon Ratchasima?
Nakhon Ratchasima is 11 hours ahead of Washington.
What is the cheapest way to fly from IAD to NAK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–NAK that never appear on search engines, with no booking fees.