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OPO to GRF: distance & flight time
Porto (Francisco de Sá Carneiro Airport) → Fort Lewis (Gray Army Air Field)
5,114 mi
8,230 km · 4,444 nm
10h 30m
estimated nonstop flight time
-8h
time difference · heading northwest
See live OPO→GRF fares Phone-only fares on this route — call free
Flight time details
5,114 miles nonstop takes roughly 10h 30m 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
- OPO — Francisco de Sá Carneiro Airport · Porto, 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 OPO
- BGZ · Braga Municipal Aerodrome26 mi away
- VRL · Vila Real Airport50 mi away
- VSE · Aerodromo Goncalves Lobato (Viseu Airport)55 mi away
- VGO · Vigo Airport68 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 OPO from GRF?
The flight distance from Porto (OPO) to Fort Lewis (GRF) is 5,114 miles (8,230 km, 4,444 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OPO to GRF?
A nonstop flight takes about 10h 30m 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 Porto and Fort Lewis?
Fort Lewis is 8 hours behind Porto.
What is the cheapest way to fly from OPO to GRF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OPO–GRF that never appear on search engines, with no booking fees.