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TKH to IAD: distance & flight time
Nakhon Sawan (Takhli Airport) → Washington (Washington Dulles International Airport)
8,688 mi
13,981 km · 7,549 nm
17h 30m
estimated nonstop flight time
-11h
time difference · heading north
See live TKH→IAD fares Phone-only fares on this route — call free
Flight time details
8,688 miles nonstop takes roughly 17h 30m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- TKH — Takhli Airport · Nakhon Sawan, Thailand
- IAD — Washington Dulles International Airport · Washington, United States
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 TKH
- KDT · Kamphaeng Saen Airport85 mi away
- DMK · Don Mueang International Airport97 mi away
- PHS · Phitsanulok Airport104 mi away
- BKK · Suvarnabhumi Airport114 mi away
Frequently asked questions
How far is TKH from IAD?
The flight distance from Nakhon Sawan (TKH) to Washington (IAD) is 8,688 miles (13,981 km, 7,549 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TKH to IAD?
A nonstop flight takes about 17h 30m 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 Nakhon Sawan and Washington?
Washington is 11 hours behind Nakhon Sawan.
What is the cheapest way to fly from TKH to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TKH–IAD that never appear on search engines, with no booking fees.