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ASU to WBU: distance & flight time
Asuncion (Silvio Pettirossi International Airport) → Boulder (Boulder Municipal Airport)
5,455 mi
8,779 km · 4,740 nm
11h 10m
estimated nonstop flight time
-3h
time difference · heading northwest
See live ASU→WBU fares Phone-only fares on this route — call free
Flight time details
5,455 miles nonstop takes roughly 11h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- ASU — Silvio Pettirossi International Airport · Asuncion, Paraguay
- 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 ASU
- FMA · Formosa Airport80 mi away
- CIO · Teniente Col Carmelo Peralta Airport124 mi away
- PIL · Carlos Miguel Gimenez Airport124 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 ASU from WBU?
The flight distance from Asuncion (ASU) to Boulder (WBU) is 5,455 miles (8,779 km, 4,740 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASU to WBU?
A nonstop flight takes about 11h 10m 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 Asuncion and Boulder?
Boulder is 3 hours behind Asuncion.
What is the cheapest way to fly from ASU to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASU–WBU that never appear on search engines, with no booking fees.