Need help booking?
Unpublished phone-only deals available
GAI to KFS: distance & flight time
Gaithersburg (Montgomery County Airpark) → Kastamonu (Kastamonu Airport)
5,386 mi
8,668 km · 4,681 nm
11h 2m
estimated nonstop flight time
+7h
time difference · heading northeast
See live GAI→KFS fares Phone-only fares on this route — call free
Flight time details
5,386 miles nonstop takes roughly 11h 2m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, 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 GAI
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 GAI from KFS?
The flight distance from Gaithersburg (GAI) to Kastamonu (KFS) is 5,386 miles (8,668 km, 4,681 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to KFS?
A nonstop flight takes about 11h 2m 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 Gaithersburg and Kastamonu?
Kastamonu is 7 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to KFS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–KFS that never appear on search engines, with no booking fees.