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TNX to HEK: distance & flight time
Stung Treng (Stung Treng Airport) → Heihe (Heihe Airport)
2,801 mi
4,508 km · 2,434 nm
5h 58m
estimated nonstop flight time
+1h
time difference · heading north
See live TNX→HEK fares Phone-only fares on this route — call free
Flight time details
2,801 miles nonstop takes roughly 5h 58m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- TNX — Stung Treng Airport · Stung Treng, Cambodia
- HEK — Heihe Airport · Heihe, China
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 TNX
- RBE · Ratanakiri Airport67 mi away
- KTI · Kratie Airport72 mi away
- AOU · Attopeu Airport104 mi away
- PKZ · Pakse International Airport112 mi away
Near HEK
- BQS · Ignatyevo Airport18 mi away
- DTU · Wudalianchi Dedu Airport131 mi away
- JGD · Jiagedaqi Airport142 mi away
Frequently asked questions
How far is TNX from HEK?
The flight distance from Stung Treng (TNX) to Heihe (HEK) is 2,801 miles (4,508 km, 2,434 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNX to HEK?
A nonstop flight takes about 5h 58m 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 Stung Treng and Heihe?
Heihe is 1 hour ahead of Stung Treng.
What is the cheapest way to fly from TNX to HEK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNX–HEK that never appear on search engines, with no booking fees.