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OIR to KLS: distance & flight time
Okushiri (Okushiri Airport) → Kelso (Southwest Washington Regional Airport)
4,527 mi
7,286 km · 3,934 nm
9h 21m
estimated nonstop flight time
-16h
time difference · heading northeast
See live OIR→KLS fares Phone-only fares on this route — call free
Flight time details
4,527 miles nonstop takes roughly 9h 21m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- OIR — Okushiri Airport · Okushiri, Japan
- KLS — Southwest Washington Regional Airport · Kelso, United States
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 OIR
- HKD · Hakodate Airport74 mi away
- AOJ · Aomori Airport113 mi away
- OKD · Okadama Airport123 mi away
- CTS · New Chitose Airport125 mi away
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
Frequently asked questions
How far is OIR from KLS?
The flight distance from Okushiri (OIR) to Kelso (KLS) 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 OIR to KLS?
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 Okushiri and Kelso?
Kelso is 16 hours behind Okushiri.
What is the cheapest way to fly from OIR to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIR–KLS that never appear on search engines, with no booking fees.