Need help booking?
Unpublished phone-only deals available
USN to CLJ: distance & flight time
Ulsan (Ulsan Airport) → Cluj-napoca (Cluj-Napoca International Airport)
5,120 mi
8,240 km · 4,449 nm
10h 30m
estimated nonstop flight time
-6h
time difference · heading northwest
See live USN→CLJ fares Phone-only fares on this route — call free
Flight time details
5,120 miles nonstop takes roughly 10h 30m 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
- CLJ — Cluj-Napoca International Airport · Cluj-napoca, Romania
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 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
Frequently asked questions
How far is USN from CLJ?
The flight distance from Ulsan (USN) to Cluj-napoca (CLJ) 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 USN to CLJ?
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 Ulsan and Cluj-napoca?
Cluj-napoca is 6 hours behind Ulsan.
What is the cheapest way to fly from USN to CLJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–CLJ that never appear on search engines, with no booking fees.