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IMK to KOS: distance & flight time
Simikot (Simikot Airport) → Sihanoukville (Sihanoukville International Airport)
1,940 mi
3,123 km · 1,686 nm
4h 16m
estimated nonstop flight time
+1.3h
time difference · heading southeast
See live IMK→KOS fares Phone-only fares on this route — call free
Flight time details
1,940 miles nonstop takes roughly 4h 16m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.3-hour time gain when reading arrival times on your ticket.
The two airports
- IMK — Simikot Airport · Simikot, Nepal
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
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 IMK
- BJU · Bajura Airport34 mi away
- BJH · Bajhang Airport48 mi away
- JUM · Jumla Airport53 mi away
- DOP · Dolpa Airport91 mi away
Near KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Frequently asked questions
How far is IMK from KOS?
The flight distance from Simikot (IMK) to Sihanoukville (KOS) is 1,940 miles (3,123 km, 1,686 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IMK to KOS?
A nonstop flight takes about 4h 16m 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 Simikot and Sihanoukville?
Sihanoukville is 1.3 hours ahead of Simikot.
What is the cheapest way to fly from IMK to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IMK–KOS that never appear on search engines, with no booking fees.