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TKH to DCA: distance & flight time
Nakhon Sawan (Takhli Airport) → Washington (Ronald Reagan Washington National Airport)
8,693 mi
13,990 km · 7,554 nm
17h 31m
estimated nonstop flight time
-12h
time difference · heading north
See live TKH→DCA fares Phone-only fares on this route — call free
Flight time details
8,693 miles nonstop takes roughly 17h 31m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- TKH — Takhli Airport · Nakhon Sawan, Thailand
- DCA — Ronald Reagan Washington National 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
Near DCA
Frequently asked questions
How far is TKH from DCA?
The flight distance from Nakhon Sawan (TKH) to Washington (DCA) is 8,693 miles (13,990 km, 7,554 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TKH to DCA?
A nonstop flight takes about 17h 31m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from TKH to DCA?
Nonstop service on TKH–DCA depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 31m nonstop estimate.
What is the time difference between Nakhon Sawan and Washington?
Washington is 12 hours behind Nakhon Sawan.
What is the cheapest way to fly from TKH to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TKH–DCA that never appear on search engines, with no booking fees.
Why are some TKH to DCA fares phone-only?
Consolidator contracts let us sell certain TKH–DCA tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.