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WBU to OBL: distance & flight time
Boulder (Boulder Municipal Airport) → Zoersel (Zoersel (Oostmalle) Airfield)
4,853 mi
7,810 km · 4,217 nm
9h 59m
estimated nonstop flight time
+8h
time difference · heading northeast
See live WBU→OBL fares Phone-only fares on this route — call free
Flight time details
4,853 miles nonstop takes roughly 9h 59m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
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 WBU from OBL?
The flight distance from Boulder (WBU) to Zoersel (OBL) is 4,853 miles (7,810 km, 4,217 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to OBL?
A nonstop flight takes about 9h 59m 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 Boulder and Zoersel?
Zoersel is 8 hours ahead of Boulder.
What is the cheapest way to fly from WBU to OBL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–OBL that never appear on search engines, with no booking fees.