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DCA to KDT: distance & flight time
Washington (Ronald Reagan Washington National Airport) → Nakhon Pathom (Kamphaeng Saen Airport)
8,773 mi
14,118 km · 7,623 nm
17h 40m
estimated nonstop flight time
+11h
time difference · heading north
See live DCA→KDT fares Phone-only fares on this route — call free
Flight time details
8,773 miles nonstop takes roughly 17h 40m 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
- DCA — Ronald Reagan Washington National Airport · Washington, United States
- KDT — Kamphaeng Saen Airport · Nakhon Pathom, 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 DCA
Near KDT
- DMK · Don Mueang International Airport48 mi away
- BKK · Suvarnabhumi Airport63 mi away
- TKH · Takhli Airport85 mi away
- HHQ · Hua Hin Airport101 mi away
Frequently asked questions
How far is DCA from KDT?
The flight distance from Washington (DCA) to Nakhon Pathom (KDT) is 8,773 miles (14,118 km, 7,623 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCA to KDT?
A nonstop flight takes about 17h 40m 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 Pathom?
Nakhon Pathom is 11 hours ahead of Washington.
What is the cheapest way to fly from DCA to KDT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–KDT that never appear on search engines, with no booking fees.