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EFL to APA: distance & flight time
Keffallinia (Kefallinia Airport) → Denver (Centennial Airport)
6,051 mi
9,737 km · 5,258 nm
12h 20m
estimated nonstop flight time
-9h
time difference · heading northwest
See live EFL→APA fares Phone-only fares on this route — call free
Flight time details
6,051 miles nonstop takes roughly 12h 20m 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
- EFL — Kefallinia Airport · Keffallinia, Greece
- APA — Centennial Airport · Denver, 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 EFL
- ZTH · Zakynthos International Airport "Dionysios Solomos"33 mi away
- PYR · Andravida Air Base45 mi away
- GPA · Araxos Airport50 mi away
- AGQ · Agrinion Air Base57 mi away
Near APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 mi away
Frequently asked questions
How far is EFL from APA?
The flight distance from Keffallinia (EFL) to Denver (APA) is 6,051 miles (9,737 km, 5,258 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from EFL to APA?
A nonstop flight takes about 12h 20m 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 Keffallinia and Denver?
Denver is 9 hours behind Keffallinia.
What is the cheapest way to fly from EFL to APA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EFL–APA that never appear on search engines, with no booking fees.