Need help booking?
Unpublished phone-only deals available
IAD to DUM: distance & flight time
Washington (Washington Dulles International Airport) → Dumai (Pinang Kampai Airport)
9,634 mi
15,504 km · 8,372 nm
19h 21m
estimated nonstop flight time
+11h
time difference · heading north
See live IAD→DUM fares Phone-only fares on this route — call free
Flight time details
9,634 miles nonstop takes roughly 19h 21m 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
- DUM — Pinang Kampai Airport · Dumai, Indonesia
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 DUM
- MKZ · Malacca Airport72 mi away
- PKU · Sultan Syarif Kasim Ii (Simpang Tiga) Airport79 mi away
- KUL · Kuala Lumpur International Airport81 mi away
- PPR · Pasir Pangaraan Airport90 mi away
Frequently asked questions
How far is IAD from DUM?
The flight distance from Washington (IAD) to Dumai (DUM) is 9,634 miles (15,504 km, 8,372 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to DUM?
A nonstop flight takes about 19h 21m 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 Dumai?
Dumai is 11 hours ahead of Washington.
What is the cheapest way to fly from IAD to DUM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–DUM that never appear on search engines, with no booking fees.