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BOS to KFS: distance & flight time
Boston (General Edward Lawrence Logan International Airport) → Kastamonu (Kastamonu Airport)
4,999 mi
8,046 km · 4,344 nm
10h 16m
estimated nonstop flight time
+7h
time difference · heading northeast
See live BOS→KFS fares Phone-only fares on this route — call free
Flight time details
4,999 miles nonstop takes roughly 10h 16m 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
- BOS — General Edward Lawrence Logan International Airport · Boston, 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 BOS
- OWD · Norwood Memorial Airport15 mi away
- BED · Laurence G Hanscom Field16 mi away
- BVY · Beverly Municipal Airport16 mi away
- LWM · Lawrence Municipal Airport25 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 BOS from KFS?
The flight distance from Boston (BOS) to Kastamonu (KFS) is 4,999 miles (8,046 km, 4,344 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOS to KFS?
A nonstop flight takes about 10h 16m 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 Boston and Kastamonu?
Kastamonu is 7 hours ahead of Boston.
What is the cheapest way to fly from BOS to KFS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOS–KFS that never appear on search engines, with no booking fees.