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KLS to RTM: distance & flight time
Kelso (Southwest Washington Regional Airport) → Rotterdam (Rotterdam The Hague Airport)
4,977 mi
8,009 km · 4,325 nm
10h 13m
estimated nonstop flight time
+9h
time difference · heading northeast
See live KLS→RTM fares Phone-only fares on this route — call free
Flight time details
4,977 miles nonstop takes roughly 10h 13m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- RTM — Rotterdam The Hague Airport · Rotterdam, Netherlands
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 RTM
- AMS · Amsterdam Airport Schiphol28 mi away
- LID · Valkenburg Naval Air Base14 mi away
- GLZ · Gilze Rijen Air Base34 mi away
- WOE · Woensdrecht Air Base35 mi away
Frequently asked questions
How far is KLS from RTM?
The flight distance from Kelso (KLS) to Rotterdam (RTM) is 4,977 miles (8,009 km, 4,325 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to RTM?
A nonstop flight takes about 10h 13m 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 Rotterdam?
Rotterdam is 9 hours ahead of Kelso.
What is the cheapest way to fly from KLS to RTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–RTM that never appear on search engines, with no booking fees.