Need help booking?
Unpublished phone-only deals available
THG to IAD: distance & flight time
Biloela (Thangool Airport) → Washington (Washington Dulles International Airport)
9,481 mi
15,258 km · 8,238 nm
19h 3m
estimated nonstop flight time
-14h
time difference · heading northeast
See live THG→IAD fares Phone-only fares on this route — call free
Flight time details
9,481 miles nonstop takes roughly 19h 3m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- THG — Thangool Airport · Biloela, Australia
- IAD — Washington Dulles International 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 THG
- TDR · Theodore Airport46 mi away
- GLT · Gladstone Airport59 mi away
- ROK · Rockhampton Airport77 mi away
- GKL · Great Keppel Is Airport93 mi away
Frequently asked questions
How far is THG from IAD?
The flight distance from Biloela (THG) to Washington (IAD) is 9,481 miles (15,258 km, 8,238 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THG to IAD?
A nonstop flight takes about 19h 3m 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 Biloela and Washington?
Washington is 14 hours behind Biloela.
What is the cheapest way to fly from THG to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THG–IAD that never appear on search engines, with no booking fees.