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KOS to HEH: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Heho (Heho Airport)
837 mi
1,347 km · 727 nm
2h 17m
estimated nonstop flight time
-0.5h
time difference · heading northwest
See live KOS→HEH fares Phone-only fares on this route — call free
Flight time details
837 miles nonstop takes roughly 2h 17m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 0.5-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- HEH — Heho Airport · Heho, Burma
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 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
Near HEH
- NMS · Namsang Airport62 mi away
- LIW · Loikaw Airport78 mi away
- MDL · Mandalay International Airport84 mi away
- NYT · Naypyidaw Airport87 mi away
Frequently asked questions
How far is KOS from HEH?
The flight distance from Sihanoukville (KOS) to Heho (HEH) is 837 miles (1,347 km, 727 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to HEH?
A nonstop flight takes about 2h 17m 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 Sihanoukville and Heho?
Heho is 0.5 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to HEH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–HEH that never appear on search engines, with no booking fees.