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IAD to KOK: distance & flight time
Washington (Washington Dulles International Airport) → Kruunupyy (Kokkola-Pietarsaari Airport)
4,144 mi
6,670 km · 3,601 nm
8h 36m
estimated nonstop flight time
+7h
time difference · heading northeast
See live IAD→KOK fares Phone-only fares on this route — call free
Flight time details
4,144 miles nonstop takes roughly 8h 36m 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
- IAD — Washington Dulles International Airport · Washington, United States
- KOK — Kokkola-Pietarsaari Airport · Kruunupyy, Finland
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 IAD
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 IAD from KOK?
The flight distance from Washington (IAD) to Kruunupyy (KOK) 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 IAD to KOK?
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 Washington and Kruunupyy?
Kruunupyy is 7 hours ahead of Washington.
What is the cheapest way to fly from IAD to KOK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–KOK that never appear on search engines, with no booking fees.