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HLN to UNN: distance & flight time
Helena (Helena Regional Airport) → Ranong (Ranong Airport)
8,109 mi
13,049 km · 7,046 nm
16h 22m
estimated nonstop flight time
+13h
time difference · heading northwest
See live HLN→UNN fares Phone-only fares on this route — call free
Flight time details
8,109 miles nonstop takes roughly 16h 22m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- UNN — Ranong Airport · Ranong, Thailand
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 HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Near UNN
- KAW · Kawthoung Airport19 mi away
- URT · Surat Thani Airport58 mi away
- CJM · Chumphon Airport83 mi away
- VBP · Bokpyinn Airport95 mi away
Frequently asked questions
How far is HLN from UNN?
The flight distance from Helena (HLN) to Ranong (UNN) is 8,109 miles (13,049 km, 7,046 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to UNN?
A nonstop flight takes about 16h 22m 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 Helena and Ranong?
Ranong is 13 hours ahead of Helena.
What is the cheapest way to fly from HLN to UNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–UNN that never appear on search engines, with no booking fees.