Need help booking?
Unpublished phone-only deals available
USN to PYK: distance & flight time
Ulsan (Ulsan Airport) → Karaj (Payam International Airport)
4,275 mi
6,879 km · 3,715 nm
8h 51m
estimated nonstop flight time
—
time difference · heading northwest
See live USN→PYK fares Phone-only fares on this route — call free
Flight time details
4,275 miles nonstop takes roughly 8h 51m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- PYK — Payam International Airport · Karaj, Iran
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 PYK
- THR · Mehrabad International Airport28 mi away
- IKA · Imam Khomeini International Airport31 mi away
- GZW · Qazvin Airport54 mi away
- NSH · Noshahr Airport71 mi away
Frequently asked questions
How far is USN from PYK?
The flight distance from Ulsan (USN) to Karaj (PYK) is 4,275 miles (6,879 km, 3,715 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to PYK?
A nonstop flight takes about 8h 51m 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 cheapest way to fly from USN to PYK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–PYK that never appear on search engines, with no booking fees.