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UNN to HIO: distance & flight time
Ranong (Ranong Airport) → Hillsboro (Portland Hillsboro Airport)
7,828 mi
12,598 km · 6,802 nm
15h 49m
estimated nonstop flight time
-14h
time difference · heading northeast
See live UNN→HIO fares Phone-only fares on this route — call free
Flight time details
7,828 miles nonstop takes roughly 15h 49m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- UNN — Ranong Airport · Ranong, Thailand
- HIO — Portland Hillsboro Airport · Hillsboro, United States
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 HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 mi away
Frequently asked questions
How far is UNN from HIO?
The flight distance from Ranong (UNN) to Hillsboro (HIO) is 7,828 miles (12,598 km, 6,802 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UNN to HIO?
A nonstop flight takes about 15h 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 Hillsboro?
Hillsboro is 14 hours behind Ranong.
What is the cheapest way to fly from UNN to HIO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UNN–HIO that never appear on search engines, with no booking fees.