Need help booking?
Unpublished phone-only deals available
DCA to KOP: distance & flight time
Washington (Ronald Reagan Washington National Airport) → Nakhon Phanom (Nakhon Phanom Airport)
8,550 mi
13,760 km · 7,430 nm
17h 14m
estimated nonstop flight time
+11h
time difference · heading north
See live DCA→KOP fares Phone-only fares on this route — call free
Flight time details
8,550 miles nonstop takes roughly 17h 14m 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
- KOP — Nakhon Phanom Airport · Nakhon Phanom, 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 KOP
- SNO · Sakon Nakhon Airport37 mi away
- ZVK · Savannakhet Airport58 mi away
- ROI · Roi Et Airport105 mi away
- VII · Vinh Airport115 mi away
Frequently asked questions
How far is DCA from KOP?
The flight distance from Washington (DCA) to Nakhon Phanom (KOP) is 8,550 miles (13,760 km, 7,430 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCA to KOP?
A nonstop flight takes about 17h 14m 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 DCA to KOP?
Nonstop service on DCA–KOP 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 14m nonstop estimate.
What is the time difference between Washington and Nakhon Phanom?
Nakhon Phanom is 11 hours ahead of Washington.
What is the cheapest way to fly from DCA to KOP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–KOP that never appear on search engines, with no booking fees.
Why are some DCA to KOP fares phone-only?
Consolidator contracts let us sell certain DCA–KOP 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.