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OSP to CCU: distance & flight time
Slupsk (Redzikowo Air Base) → Kolkata (Netaji Subhash Chandra Bose International Airport)
4,214 mi
6,781 km · 3,662 nm
8h 44m
estimated nonstop flight time
+3.5h
time difference · heading east
See live OSP→CCU fares Phone-only fares on this route — call free
Flight time details
4,214 miles nonstop takes roughly 8h 44m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- OSP — Redzikowo Air Base · Slupsk, Poland
- CCU — Netaji Subhash Chandra Bose International Airport · Kolkata, India
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 CCU
- JSR · Jessore Airport58 mi away
- RDP · Kazi Nazrul Islam Airport102 mi away
- IRD · Ishurdi Airport110 mi away
- BZL · Barisal Airport119 mi away
Frequently asked questions
How far is OSP from CCU?
The flight distance from Slupsk (OSP) to Kolkata (CCU) is 4,214 miles (6,781 km, 3,662 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSP to CCU?
A nonstop flight takes about 8h 44m 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 Slupsk and Kolkata?
Kolkata is 3.5 hours ahead of Slupsk.
What is the cheapest way to fly from OSP to CCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSP–CCU that never appear on search engines, with no booking fees.