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HIO to UNN: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Ranong (Ranong Airport)
7,828 mi
12,598 km · 6,802 nm
15h 49m
estimated nonstop flight time
+14h
time difference · heading northwest
See live HIO→UNN fares Phone-only fares on this route — call free
Flight time details
7,828 miles nonstop takes roughly 15h 49m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- HIO — Portland Hillsboro Airport · Hillsboro, 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 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
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 HIO from UNN?
The flight distance from Hillsboro (HIO) to Ranong (UNN) 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 HIO to UNN?
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 Hillsboro and Ranong?
Ranong is 14 hours ahead of Hillsboro.
What is the cheapest way to fly from HIO to UNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–UNN that never appear on search engines, with no booking fees.