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PRM to GRF: distance & flight time
Portimao (Portimão Airport) → Fort Lewis (Gray Army Air Field)
5,334 mi
8,585 km · 4,635 nm
10h 56m
estimated nonstop flight time
-8h
time difference · heading northwest
See live PRM→GRF fares Phone-only fares on this route — call free
Flight time details
5,334 miles nonstop takes roughly 10h 56m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- PRM — Portimão Airport · Portimao, Portugal
- GRF — Gray Army Air Field · Fort Lewis, 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 PRM
- FAO · Faro Airport35 mi away
- BYJ · Beja Airport / Airbase73 mi away
- CAT · Cascais Airport117 mi away
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)117 mi away
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
Frequently asked questions
How far is PRM from GRF?
The flight distance from Portimao (PRM) to Fort Lewis (GRF) is 5,334 miles (8,585 km, 4,635 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PRM to GRF?
A nonstop flight takes about 10h 56m 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 Portimao and Fort Lewis?
Fort Lewis is 8 hours behind Portimao.
What is the cheapest way to fly from PRM to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PRM–GRF that never appear on search engines, with no booking fees.