Need help booking?
Unpublished phone-only deals available
COH to DSO: distance & flight time
Cooch-behar (Cooch Behar Airport) → Hamhung (Sondok Airport)
2,367 mi
3,809 km · 2,056 nm
5h 6m
estimated nonstop flight time
+3.5h
time difference · heading northeast
See live COH→DSO fares Phone-only fares on this route — call free
Flight time details
2,367 miles nonstop takes roughly 5h 6m 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
- DSO — Sondok Airport · Hamhung, North 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 DSO
- WOS · Wonsan Kalma International Airport40 mi away
- FNJ · Pyongyang Sunan International Airport103 mi away
- YNY · Yangyang International Airport133 mi away
Frequently asked questions
How far is COH from DSO?
The flight distance from Cooch-behar (COH) to Hamhung (DSO) is 2,367 miles (3,809 km, 2,056 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COH to DSO?
A nonstop flight takes about 5h 6m 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 Hamhung?
Hamhung is 3.5 hours ahead of Cooch-behar.
What is the cheapest way to fly from COH to DSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COH–DSO that never appear on search engines, with no booking fees.