Need help booking?
Unpublished phone-only deals available
HIO to OKJ: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Okayama (Okayama Airport)
5,113 mi
8,229 km · 4,443 nm
10h 30m
estimated nonstop flight time
+16h
time difference · heading northwest
See live HIO→OKJ fares Phone-only fares on this route — call free
Flight time details
5,113 miles nonstop takes roughly 10h 30m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- HIO — Portland Hillsboro Airport · Hillsboro, United States
- OKJ — Okayama Airport · Okayama, Japan
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 OKJ
- TAK · Takamatsu Airport39 mi away
- TTJ · Tottori Airport56 mi away
- HIJ · Hiroshima Airport58 mi away
- TKS · Tokushima Airport/JMSDF Air Base61 mi away
Frequently asked questions
How far is HIO from OKJ?
The flight distance from Hillsboro (HIO) to Okayama (OKJ) is 5,113 miles (8,229 km, 4,443 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to OKJ?
A nonstop flight takes about 10h 30m 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 Okayama?
Okayama is 16 hours ahead of Hillsboro.
What is the cheapest way to fly from HIO to OKJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–OKJ that never appear on search engines, with no booking fees.