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USN to EFL: distance & flight time
Ulsan (Ulsan Airport) → Keffallinia (Kefallinia Airport)
5,612 mi
9,032 km · 4,877 nm
11h 28m
estimated nonstop flight time
-6h
time difference · heading northwest
See live USN→EFL fares Phone-only fares on this route — call free
Flight time details
5,612 miles nonstop takes roughly 11h 28m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- EFL — Kefallinia Airport · Keffallinia, 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 USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 mi away
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
Frequently asked questions
How far is USN from EFL?
The flight distance from Ulsan (USN) to Keffallinia (EFL) is 5,612 miles (9,032 km, 4,877 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to EFL?
A nonstop flight takes about 11h 28m 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 Ulsan and Keffallinia?
Keffallinia is 6 hours behind Ulsan.
What is the cheapest way to fly from USN to EFL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–EFL that never appear on search engines, with no booking fees.