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KLS to HRI: distance & flight time
Kelso (Southwest Washington Regional Airport) → Mattala (Mattala Rajapaksa International Airport)
8,526 mi
13,721 km · 7,409 nm
17h 11m
estimated nonstop flight time
+12.5h
time difference · heading northwest
See live KLS→HRI fares Phone-only fares on this route — call free
Flight time details
8,526 miles nonstop takes roughly 17h 11m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.5-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- HRI — Mattala Rajapaksa International Airport · Mattala, Sri Lanka
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 HRI
- WRZ · Weerawila Airport8 mi away
- KCT · Koggala Airport59 mi away
- ADP · Ampara Airport81 mi away
- RML · Colombo Ratmalana Airport93 mi away
Frequently asked questions
How far is KLS from HRI?
The flight distance from Kelso (KLS) to Mattala (HRI) is 8,526 miles (13,721 km, 7,409 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to HRI?
A nonstop flight takes about 17h 11m 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 Mattala?
Mattala is 12.5 hours ahead of Kelso.
What is the cheapest way to fly from KLS to HRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–HRI that never appear on search engines, with no booking fees.