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HIO to KFS: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Kastamonu (Kastamonu Airport)
6,266 mi
10,085 km · 5,445 nm
12h 45m
estimated nonstop flight time
+10h
time difference · heading north
See live HIO→KFS fares Phone-only fares on this route — call free
Flight time details
6,266 miles nonstop takes roughly 12h 45m 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
- HIO — Portland Hillsboro Airport · Hillsboro, United States
- KFS — Kastamonu Airport · Kastamonu, 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 HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 mi away
Near KFS
- NOP · Sinop Airport82 mi away
- ONQ · Zonguldak Airport89 mi away
- ESB · Esenboğa International Airport92 mi away
- MZH · Amasya Merzifon Airport96 mi away
Frequently asked questions
How far is HIO from KFS?
The flight distance from Hillsboro (HIO) to Kastamonu (KFS) is 6,266 miles (10,085 km, 5,445 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to KFS?
A nonstop flight takes about 12h 45m 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 Hillsboro and Kastamonu?
Kastamonu is 10 hours ahead of Hillsboro.
What is the cheapest way to fly from HIO to KFS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–KFS that never appear on search engines, with no booking fees.