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BFI to KCO: distance & flight time
Seattle (Boeing Field King County International Airport) → Topel (Cengiz Topel Airport)
6,108 mi
9,829 km · 5,307 nm
12h 27m
estimated nonstop flight time
+10h
time difference · heading north
See live BFI→KCO fares Phone-only fares on this route — call free
Flight time details
6,108 miles nonstop takes roughly 12h 27m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- KCO — Cengiz Topel Airport · Topel, Turkey
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 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
Near KCO
- IST · Istanbul Airport79 mi away
- SAW · Sabiha Gökçen International Airport42 mi away
- YEI · Bursa Yenişehir Airport43 mi away
- BTZ · Bursa Airport66 mi away
Frequently asked questions
How far is BFI from KCO?
The flight distance from Seattle (BFI) to Topel (KCO) is 6,108 miles (9,829 km, 5,307 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to KCO?
A nonstop flight takes about 12h 27m 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 Seattle and Topel?
Topel is 10 hours ahead of Seattle.
What is the cheapest way to fly from BFI to KCO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–KCO that never appear on search engines, with no booking fees.