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USN to FSM: distance & flight time
Ulsan (Ulsan Airport) → Fort Smith (Fort Smith Regional Airport)
6,786 mi
10,920 km · 5,897 nm
13h 46m
estimated nonstop flight time
-14h
time difference · heading northeast
See live USN→FSM fares Phone-only fares on this route — call free
Flight time details
6,786 miles nonstop takes roughly 13h 46m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- FSM — Fort Smith Regional Airport · Fort Smith, United States
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 FSM
- FYV · Drake Field47 mi away
- XNA · Northwest Arkansas Regional Airport65 mi away
- MLC · Mc Alester Regional Airport86 mi away
- OKM · Okmulgee Regional Airport92 mi away
Frequently asked questions
How far is USN from FSM?
The flight distance from Ulsan (USN) to Fort Smith (FSM) is 6,786 miles (10,920 km, 5,897 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to FSM?
A nonstop flight takes about 13h 46m 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 Fort Smith?
Fort Smith is 14 hours behind Ulsan.
What is the cheapest way to fly from USN to FSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–FSM that never appear on search engines, with no booking fees.