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PNH to DCA: distance & flight time
Phnom-penh (Phnom Penh International Airport) → Washington (Ronald Reagan Washington National Airport)
8,952 mi
14,408 km · 7,779 nm
18h 1m
estimated nonstop flight time
-11h
time difference · heading north
See live PNH→DCA fares Phone-only fares on this route — call free
Flight time details
8,952 miles nonstop takes roughly 18h 1m 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
- PNH — Phnom Penh International Airport · Phnom-penh, Cambodia
- 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 PNH
- KZC · Kampong Chhnang Airport52 mi away
- KTI · Kratie Airport105 mi away
- KOS · Sihanoukville International Airport106 mi away
- PQC · Phu Quoc International Airport111 mi away
Near DCA
Frequently asked questions
How far is PNH from DCA?
The flight distance from Phnom-penh (PNH) to Washington (DCA) is 8,952 miles (14,408 km, 7,779 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PNH to DCA?
A nonstop flight takes about 18h 1m 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 Phnom-penh and Washington?
Washington is 11 hours behind Phnom-penh.
What is the cheapest way to fly from PNH to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PNH–DCA that never appear on search engines, with no booking fees.