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POW to WBU: distance & flight time
Portoroz (Portoroz Airport) → Boulder (Boulder Municipal Airport)
5,423 mi
8,727 km · 4,712 nm
11h 6m
estimated nonstop flight time
-8h
time difference · heading northwest
See live POW→WBU fares Phone-only fares on this route — call free
Flight time details
5,423 miles nonstop takes roughly 11h 6m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- POW — Portoroz Airport · Portoroz, Slovenia
- WBU — Boulder Municipal Airport · Boulder, 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 POW
- TRS · Trieste–Friuli Venezia Giulia Airport25 mi away
- PUY · Pula Airport43 mi away
- RJK · Rijeka Airport50 mi away
- VCE · Venice Marco Polo Airport61 mi away
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
Frequently asked questions
How far is POW from WBU?
The flight distance from Portoroz (POW) to Boulder (WBU) is 5,423 miles (8,727 km, 4,712 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from POW to WBU?
A nonstop flight takes about 11h 6m 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 Portoroz and Boulder?
Boulder is 8 hours behind Portoroz.
What is the cheapest way to fly from POW to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on POW–WBU that never appear on search engines, with no booking fees.