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ITM to KLS: distance & flight time
Osaka (Osaka International Airport) → Kelso (Southwest Washington Regional Airport)
5,028 mi
8,092 km · 4,370 nm
10h 20m
estimated nonstop flight time
-16h
time difference · heading northeast
See live ITM→KLS fares Phone-only fares on this route — call free
Flight time details
5,028 miles nonstop takes roughly 10h 20m 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
- ITM — Osaka International Airport · Osaka, 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 ITM
- UKB · Kobe Airport16 mi away
- KIX · Kansai International Airport27 mi away
- TJH · Tajima Airport62 mi away
- TKS · Tokushima Airport/JMSDF Air Base65 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 ITM from KLS?
The flight distance from Osaka (ITM) to Kelso (KLS) is 5,028 miles (8,092 km, 4,370 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ITM to KLS?
A nonstop flight takes about 10h 20m 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 Osaka and Kelso?
Kelso is 16 hours behind Osaka.
What is the cheapest way to fly from ITM to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ITM–KLS that never appear on search engines, with no booking fees.