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COH to USN: distance & flight time
Cooch-behar (Cooch Behar Airport) → Ulsan (Ulsan Airport)
2,430 mi
3,911 km · 2,112 nm
5h 14m
estimated nonstop flight time
+3.5h
time difference · heading northeast
See live COH→USN fares Phone-only fares on this route — call free
Flight time details
2,430 miles nonstop takes roughly 5h 14m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- COH — Cooch Behar Airport · Cooch-behar, India
- 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 COH
- SPD · Saidpur Airport53 mi away
- GLU · Gelephu Airport73 mi away
- IXB · Bagdogra Airport74 mi away
- PBH · Paro 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 COH from USN?
The flight distance from Cooch-behar (COH) to Ulsan (USN) is 2,430 miles (3,911 km, 2,112 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COH to USN?
A nonstop flight takes about 5h 14m 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 Cooch-behar and Ulsan?
Ulsan is 3.5 hours ahead of Cooch-behar.
What is the cheapest way to fly from COH to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COH–USN that never appear on search engines, with no booking fees.