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CLJ to USN: distance & flight time
Cluj-napoca (Cluj-Napoca International Airport) → Ulsan (Ulsan Airport)
5,120 mi
8,240 km · 4,449 nm
10h 30m
estimated nonstop flight time
+6h
time difference · heading northeast
See live CLJ→USN fares Phone-only fares on this route — call free
Flight time details
5,120 miles nonstop takes roughly 10h 30m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- CLJ — Cluj-Napoca International Airport · Cluj-napoca, Romania
- USN — Ulsan Airport · Ulsan, South Korea
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 CLJ
- TGM · Transilvania Târgu Mureş International Airport41 mi away
- BAY · Tautii Magheraus Airport61 mi away
- SBZ · Sibiu International Airport72 mi away
- SUJ · Satu Mare Airport74 mi away
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
Frequently asked questions
How far is CLJ from USN?
The flight distance from Cluj-napoca (CLJ) to Ulsan (USN) is 5,120 miles (8,240 km, 4,449 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CLJ to USN?
A nonstop flight takes about 10h 30m 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 Cluj-napoca and Ulsan?
Ulsan is 6 hours ahead of Cluj-napoca.
What is the cheapest way to fly from CLJ to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CLJ–USN that never appear on search engines, with no booking fees.