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KLS to OIR: distance & flight time
Kelso (Southwest Washington Regional Airport) → Okushiri (Okushiri Airport)
4,527 mi
7,286 km · 3,934 nm
9h 21m
estimated nonstop flight time
+16h
time difference · heading northwest
See live KLS→OIR fares Phone-only fares on this route — call free
Flight time details
4,527 miles nonstop takes roughly 9h 21m 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
- KLS — Southwest Washington Regional Airport · Kelso, United States
- OIR — Okushiri Airport · Okushiri, 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 KLS
- PDX · Portland International Airport39 mi away
- CLS · Chehalis Centralia Airport39 mi away
- HIO · Portland Hillsboro Airport40 mi away
- TTD · Portland Troutdale Airport46 mi away
Near OIR
- HKD · Hakodate Airport74 mi away
- AOJ · Aomori Airport113 mi away
- OKD · Okadama Airport123 mi away
- CTS · New Chitose Airport125 mi away
Frequently asked questions
How far is KLS from OIR?
The flight distance from Kelso (KLS) to Okushiri (OIR) is 4,527 miles (7,286 km, 3,934 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to OIR?
A nonstop flight takes about 9h 21m 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 Kelso and Okushiri?
Okushiri is 16 hours ahead of Kelso.
What is the cheapest way to fly from KLS to OIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–OIR that never appear on search engines, with no booking fees.