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UNN to HEK: distance & flight time
Ranong (Ranong Airport) → Heihe (Heihe Airport)
3,237 mi
5,209 km · 2,813 nm
6h 49m
estimated nonstop flight time
+1h
time difference · heading northeast
See live UNN→HEK fares Phone-only fares on this route — call free
Flight time details
3,237 miles nonstop takes roughly 6h 49m gate to gate, flying northeast. 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
- UNN — Ranong Airport · Ranong, Thailand
- 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 UNN
- KAW · Kawthoung Airport19 mi away
- URT · Surat Thani Airport58 mi away
- CJM · Chumphon Airport83 mi away
- VBP · Bokpyinn Airport95 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 UNN from HEK?
The flight distance from Ranong (UNN) to Heihe (HEK) is 3,237 miles (5,209 km, 2,813 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UNN to HEK?
A nonstop flight takes about 6h 49m 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 Ranong and Heihe?
Heihe is 1 hour ahead of Ranong.
What is the cheapest way to fly from UNN to HEK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UNN–HEK that never appear on search engines, with no booking fees.