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IRB to USN: distance & flight time
Iraan (Iraan Municipal Airport) → Ulsan (Ulsan Airport)
6,766 mi
10,888 km · 5,879 nm
13h 44m
estimated nonstop flight time
+14h
time difference · heading northwest
See live IRB→USN fares Phone-only fares on this route — call free
Flight time details
6,766 miles nonstop takes roughly 13h 44m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- IRB — Iraan Municipal Airport · Iraan, United States
- 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 IRB
- OZA · Ozona Municipal Airport43 mi away
- FST · Fort Stockton Pecos County Airport61 mi away
- MAF · Midland International Airport74 mi away
- SJT · San Angelo Regional Mathis Field88 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 IRB from USN?
The flight distance from Iraan (IRB) to Ulsan (USN) is 6,766 miles (10,888 km, 5,879 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IRB to USN?
A nonstop flight takes about 13h 44m 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 Iraan and Ulsan?
Ulsan is 14 hours ahead of Iraan.
What is the cheapest way to fly from IRB to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IRB–USN that never appear on search engines, with no booking fees.