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HIO to TNN: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Tainan (Tainan Airport)
6,270 mi
10,090 km · 5,448 nm
12h 46m
estimated nonstop flight time
+15h
time difference · heading northwest
See live HIO→TNN fares Phone-only fares on this route — call free
Flight time details
6,270 miles nonstop takes roughly 12h 46m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- HIO — Portland Hillsboro Airport · Hillsboro, United States
- TNN — Tainan Airport · Tainan, Taiwan
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 TNN
- PIF · Pingtung North Airport25 mi away
- KHH · Kaohsiung International Airport27 mi away
- CYI · Chiayi Airport37 mi away
- WOT · Wang-an Airport53 mi away
Frequently asked questions
How far is HIO from TNN?
The flight distance from Hillsboro (HIO) to Tainan (TNN) is 6,270 miles (10,090 km, 5,448 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to TNN?
A nonstop flight takes about 12h 46m 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 Tainan?
Tainan is 15 hours ahead of Hillsboro.
What is the cheapest way to fly from HIO to TNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–TNN that never appear on search engines, with no booking fees.