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HIO to DMK: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Bangkok (Don Mueang International Airport)
7,512 mi
12,090 km · 6,528 nm
15h 12m
estimated nonstop flight time
+14h
time difference · heading northwest
See live HIO→DMK fares Phone-only fares on this route — call free
Flight time details
7,512 miles nonstop takes roughly 15h 12m 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
- DMK — Don Mueang International Airport · Bangkok, 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 DMK
- BKK · Suvarnabhumi Airport19 mi away
- KDT · Kamphaeng Saen Airport48 mi away
- UTP · U-Tapao International Airport89 mi away
- TKH · Takhli Airport97 mi away
Frequently asked questions
How far is HIO from DMK?
The flight distance from Hillsboro (HIO) to Bangkok (DMK) is 7,512 miles (12,090 km, 6,528 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to DMK?
A nonstop flight takes about 15h 12m 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 Bangkok?
Bangkok is 14 hours ahead of Hillsboro.
What is the cheapest way to fly from HIO to DMK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–DMK that never appear on search engines, with no booking fees.