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OSP to KMW: distance & flight time
Slupsk (Redzikowo Air Base) → Kostroma (Kostroma Sokerkino Airport)
943 mi
1,518 km · 820 nm
2h 31m
estimated nonstop flight time
+1h
time difference · heading northeast
See live OSP→KMW fares Phone-only fares on this route — call free
Flight time details
943 miles nonstop takes roughly 2h 31m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- OSP — Redzikowo Air Base · Slupsk, Poland
- KMW — Kostroma Sokerkino Airport · Kostroma, Russia
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 OSP
- GDN · Gdańsk Lech Wałęsa Airport55 mi away
- QYD · Oksywie Military Air Base57 mi away
- RNN · Bornholm Airport102 mi away
- BZG · Bydgoszcz Ignacy Jan Paderewski Airport102 mi away
Near KMW
- IAR · Tunoshna Airport36 mi away
- IWA · Ivanovo South Airport59 mi away
- RYB · Staroselye Airport80 mi away
- VGD · Vologda Airport110 mi away
Frequently asked questions
How far is OSP from KMW?
The flight distance from Slupsk (OSP) to Kostroma (KMW) is 943 miles (1,518 km, 820 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSP to KMW?
A nonstop flight takes about 2h 31m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from OSP to KMW?
Nonstop service on OSP–KMW depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 31m nonstop estimate.
What is the time difference between Slupsk and Kostroma?
Kostroma is 1 hour ahead of Slupsk.
What is the cheapest way to fly from OSP to KMW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSP–KMW that never appear on search engines, with no booking fees.
Why are some OSP to KMW fares phone-only?
Consolidator contracts let us sell certain OSP–KMW tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.