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KOK to IAD: distance & flight time
Kruunupyy (Kokkola-Pietarsaari Airport) → Washington (Washington Dulles International Airport)
4,144 mi
6,670 km · 3,601 nm
8h 36m
estimated nonstop flight time
-7h
time difference · heading northwest
See live KOK→IAD fares Phone-only fares on this route — call free
Flight time details
4,144 miles nonstop takes roughly 8h 36m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- KOK — Kokkola-Pietarsaari Airport · Kruunupyy, Finland
- IAD — Washington Dulles International Airport · Washington, 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 KOK
- KAU · Kauhava Airport41 mi away
- YLI · Ylivieska Airfield53 mi away
- VAA · Vaasa Airport63 mi away
- SJY · Seinäjoki Airport72 mi away
Frequently asked questions
How far is KOK from IAD?
The flight distance from Kruunupyy (KOK) to Washington (IAD) is 4,144 miles (6,670 km, 3,601 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOK to IAD?
A nonstop flight takes about 8h 36m 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 Kruunupyy and Washington?
Washington is 7 hours behind Kruunupyy.
What is the cheapest way to fly from KOK to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOK–IAD that never appear on search engines, with no booking fees.