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IAD to CJM: distance & flight time
Washington (Washington Dulles International Airport) → Chumphon (Chumphon Airport)
9,000 mi
14,484 km · 7,821 nm
18h 7m
estimated nonstop flight time
+11h
time difference · heading north
See live IAD→CJM fares Phone-only fares on this route — call free
Flight time details
9,000 miles nonstop takes roughly 18h 7m 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
- IAD — Washington Dulles International Airport · Washington, United States
- CJM — Chumphon Airport · Chumphon, 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 IAD
Near CJM
- VBP · Bokpyinn Airport52 mi away
- KAW · Kawthoung Airport72 mi away
- UNN · Ranong Airport83 mi away
- USM · Samui Airport93 mi away
Frequently asked questions
How far is IAD from CJM?
The flight distance from Washington (IAD) to Chumphon (CJM) is 9,000 miles (14,484 km, 7,821 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to CJM?
A nonstop flight takes about 18h 7m 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 Chumphon?
Chumphon is 11 hours ahead of Washington.
What is the cheapest way to fly from IAD to CJM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–CJM that never appear on search engines, with no booking fees.