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PAO to KLS: distance & flight time
Palo Alto (Palo Alto Airport of Santa Clara County) → Kelso (Southwest Washington Regional Airport)
599 mi
965 km · 521 nm
1h 46m
estimated nonstop flight time
Same time
time difference · heading north
See live PAO→KLS fares Phone-only fares on this route — call free
Flight time details
599 miles nonstop takes roughly 1h 46m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- PAO — Palo Alto Airport of Santa Clara County · Palo Alto, United States
- 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 PAO
- SFO · San Francisco International Airport18 mi away
- NUQ · Moffett Federal Airfield5 mi away
- SQL · San Carlos Airport8 mi away
- SJC · Norman Y. Mineta San Jose International Airport12 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 PAO from KLS?
The flight distance from Palo Alto (PAO) to Kelso (KLS) is 599 miles (965 km, 521 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PAO to KLS?
A nonstop flight takes about 1h 46m 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 cheapest way to fly from PAO to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PAO–KLS that never appear on search engines, with no booking fees.