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WBU to KZS: distance & flight time
Boulder (Boulder Municipal Airport) → Kastelorizo (Kastelorizo Airport)
6,441 mi
10,366 km · 5,597 nm
13h 6m
estimated nonstop flight time
+9h
time difference · heading northeast
See live WBU→KZS fares Phone-only fares on this route — call free
Flight time details
6,441 miles nonstop takes roughly 13h 6m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- KZS — Kastelorizo Airport · Kastelorizo, Greece
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 KZS
- DLM · Dalaman International Airport59 mi away
- RHO · Diagoras Airport85 mi away
- AYT · Antalya International Airport86 mi away
- DNZ · Çardak Airport114 mi away
Frequently asked questions
How far is WBU from KZS?
The flight distance from Boulder (WBU) to Kastelorizo (KZS) is 6,441 miles (10,366 km, 5,597 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to KZS?
A nonstop flight takes about 13h 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 Boulder and Kastelorizo?
Kastelorizo is 9 hours ahead of Boulder.
What is the cheapest way to fly from WBU to KZS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–KZS that never appear on search engines, with no booking fees.