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GMD to BFI: distance & flight time
Ben Slimane (Ben Slimane Airport) → Seattle (Boeing Field King County International Airport)
5,540 mi
8,916 km · 4,814 nm
11h 20m
estimated nonstop flight time
-8h
time difference · heading northwest
See live GMD→BFI fares Phone-only fares on this route — call free
Flight time details
5,540 miles nonstop takes roughly 11h 20m 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
- GMD — Ben Slimane Airport · Ben Slimane, Morocco
- BFI — Boeing Field King County International Airport · Seattle, 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 GMD
- CMN · Mohammed V International Airport29 mi away
- RBA · Rabat-Salé Airport38 mi away
- NNA · Kenitra Airport57 mi away
- MEK · Bassatine Airport99 mi away
Near BFI
- SEA · Seattle Tacoma International Airport6 mi away
- RNT · Renton Municipal Airport5 mi away
- PWT · Bremerton National Airport22 mi away
- TIW · Tacoma Narrows Airport22 mi away
Frequently asked questions
How far is GMD from BFI?
The flight distance from Ben Slimane (GMD) to Seattle (BFI) is 5,540 miles (8,916 km, 4,814 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMD to BFI?
A nonstop flight takes about 11h 20m 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 Ben Slimane and Seattle?
Seattle is 8 hours behind Ben Slimane.
What is the cheapest way to fly from GMD to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMD–BFI that never appear on search engines, with no booking fees.