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KZI to WBU: distance & flight time
Kozani (Filippos Airport) → Boulder (Boulder Municipal Airport)
5,965 mi
9,600 km · 5,183 nm
12h 10m
estimated nonstop flight time
-9h
time difference · heading northwest
See live KZI→WBU fares Phone-only fares on this route — call free
Flight time details
5,965 miles nonstop takes roughly 12h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- KZI — Filippos Airport · Kozani, Greece
- 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 KZI
- KSO · Kastoria National Airport31 mi away
- LRA · Larisa Airport55 mi away
- SKG · Thessaloniki Macedonia International Airport62 mi away
- IOA · Ioannina Airport68 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 KZI from WBU?
The flight distance from Kozani (KZI) to Boulder (WBU) is 5,965 miles (9,600 km, 5,183 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KZI to WBU?
A nonstop flight takes about 12h 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 Kozani and Boulder?
Boulder is 9 hours behind Kozani.
What is the cheapest way to fly from KZI to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KZI–WBU that never appear on search engines, with no booking fees.