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IAD to OBL: distance & flight time
Washington (Washington Dulles International Airport) → Zoersel (Zoersel (Oostmalle) Airfield)
3,883 mi
6,249 km · 3,374 nm
8h 5m
estimated nonstop flight time
+6h
time difference · heading northeast
See live IAD→OBL fares Phone-only fares on this route — call free
Flight time details
3,883 miles nonstop takes roughly 8h 5m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- OBL — Zoersel (Oostmalle) Airfield · Zoersel, Belgium
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 OBL
- ANR · Antwerp International Airport (Deurne)14 mi away
- GLZ · Gilze Rijen Air Base22 mi away
- WOE · Woensdrecht Air Base22 mi away
- BRU · Brussels Airport28 mi away
Frequently asked questions
How far is IAD from OBL?
The flight distance from Washington (IAD) to Zoersel (OBL) is 3,883 miles (6,249 km, 3,374 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to OBL?
A nonstop flight takes about 8h 5m 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 Zoersel?
Zoersel is 6 hours ahead of Washington.
What is the cheapest way to fly from IAD to OBL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–OBL that never appear on search engines, with no booking fees.