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PDX to OIM: distance & flight time
Portland (Portland International Airport) → Oshima (Oshima Airport)
4,899 mi
7,885 km · 4,257 nm
10h 4m
estimated nonstop flight time
+16h
time difference · heading northwest
See live PDX→OIM fares Phone-only fares on this route — call free
Flight time details
4,899 miles nonstop takes roughly 10h 4m 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
- PDX — Portland International Airport · Portland, United States
- OIM — Oshima Airport · Oshima, 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 PDX
- TTD · Portland Troutdale Airport10 mi away
- HIO · Portland Hillsboro Airport17 mi away
- KLS · Southwest Washington Regional Airport39 mi away
- SLE · Salem Municipal Airport/McNary Field51 mi away
Near OIM
- HND · Tokyo Haneda International Airport58 mi away
- NJA · Atsugi Naval Air Facility47 mi away
- NRT · Narita International Airport89 mi away
- MYE · Miyakejima Airport50 mi away
Frequently asked questions
How far is PDX from OIM?
The flight distance from Portland (PDX) to Oshima (OIM) is 4,899 miles (7,885 km, 4,257 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PDX to OIM?
A nonstop flight takes about 10h 4m 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 Portland and Oshima?
Oshima is 16 hours ahead of Portland.
What is the cheapest way to fly from PDX to OIM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PDX–OIM that never appear on search engines, with no booking fees.