Need help booking?
Unpublished phone-only deals available
PSM to KOK: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Kruunupyy (Kokkola-Pietarsaari Airport)
3,720 mi
5,987 km · 3,233 nm
7h 46m
estimated nonstop flight time
+7h
time difference · heading northeast
See live PSM→KOK fares Phone-only fares on this route — call free
Flight time details
3,720 miles nonstop takes roughly 7h 46m 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
- PSM — Portsmouth International at Pease Airport · Portsmouth, 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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
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 PSM from KOK?
The flight distance from Portsmouth (PSM) to Kruunupyy (KOK) is 3,720 miles (5,987 km, 3,233 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to KOK?
A nonstop flight takes about 7h 46m 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 Portsmouth and Kruunupyy?
Kruunupyy is 7 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to KOK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–KOK that never appear on search engines, with no booking fees.