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COH to ISN: distance & flight time
Cooch-behar (Cooch Behar Airport) → Williston (Sloulin Field International Airport)
7,225 mi
11,627 km · 6,278 nm
14h 38m
estimated nonstop flight time
-10.5h
time difference · heading north
See live COH→ISN fares Phone-only fares on this route — call free
Flight time details
7,225 miles nonstop takes roughly 14h 38m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time set-back when reading arrival times on your ticket.
The two airports
- COH — Cooch Behar Airport · Cooch-behar, India
- ISN — Sloulin Field International Airport · Williston, 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 COH
- SPD · Saidpur Airport53 mi away
- GLU · Gelephu Airport73 mi away
- IXB · Bagdogra Airport74 mi away
- PBH · Paro Airport74 mi away
Near ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Frequently asked questions
How far is COH from ISN?
The flight distance from Cooch-behar (COH) to Williston (ISN) is 7,225 miles (11,627 km, 6,278 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COH to ISN?
A nonstop flight takes about 14h 38m 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 Williston?
Williston is 10.5 hours behind Cooch-behar.
What is the cheapest way to fly from COH to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COH–ISN that never appear on search engines, with no booking fees.