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DEN to KSO: distance & flight time
Denver (Denver International Airport) → Kastoria (Kastoria National Airport)
5,930 mi
9,543 km · 5,153 nm
12h 6m
estimated nonstop flight time
+9h
time difference · heading northeast
See live DEN→KSO fares Phone-only fares on this route — call free
Flight time details
5,930 miles nonstop takes roughly 12h 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
- DEN — Denver International Airport · Denver, United States
- KSO — Kastoria National Airport · Kastoria, 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 DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 mi away
Near KSO
- KZI · Filippos Airport31 mi away
- IOA · Ioannina Airport57 mi away
- OHD · Ohrid St. Paul the Apostle Airport58 mi away
- LRA · Larisa Airport83 mi away
Frequently asked questions
How far is DEN from KSO?
The flight distance from Denver (DEN) to Kastoria (KSO) is 5,930 miles (9,543 km, 5,153 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEN to KSO?
A nonstop flight takes about 12h 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 Denver and Kastoria?
Kastoria is 9 hours ahead of Denver.
What is the cheapest way to fly from DEN to KSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEN–KSO that never appear on search engines, with no booking fees.