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GRF to CAT: distance & flight time
Fort Lewis (Gray Army Air Field) → Cascais (Cascais Airport)
5,224 mi
8,407 km · 4,539 nm
10h 43m
estimated nonstop flight time
+8h
time difference · heading northeast
See live GRF→CAT fares Phone-only fares on this route — call free
Flight time details
5,224 miles nonstop takes roughly 10h 43m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- GRF — Gray Army Air Field · Fort Lewis, United States
- CAT — Cascais Airport · Cascais, Portugal
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 GRF
- SEA · Seattle Tacoma International Airport29 mi away
- TCM · McChord Air Force Base6 mi away
- TIW · Tacoma Narrows Airport13 mi away
- OLM · Olympia Regional Airport17 mi away
Near CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 mi away
Frequently asked questions
How far is GRF from CAT?
The flight distance from Fort Lewis (GRF) to Cascais (CAT) is 5,224 miles (8,407 km, 4,539 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to CAT?
A nonstop flight takes about 10h 43m 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 Fort Lewis and Cascais?
Cascais is 8 hours ahead of Fort Lewis.
What is the cheapest way to fly from GRF to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–CAT that never appear on search engines, with no booking fees.