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OSS to CCU: distance & flight time
Osh (Osh Airport) → Kolkata (Netaji Subhash Chandra Bose International Airport)
1,540 mi
2,478 km · 1,338 nm
3h 29m
estimated nonstop flight time
-0.5h
time difference · heading southeast
See live OSS→CCU fares Phone-only fares on this route — call free
Flight time details
1,540 miles nonstop takes roughly 3h 29m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 0.5-hour time set-back when reading arrival times on your ticket.
The two airports
- OSS — Osh Airport · Osh, Kyrgyzstan
- 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 OSS
- AZN · Andizhan Airport27 mi away
- FEG · Fergana International Airport58 mi away
- NMA · Namangan Airport70 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 OSS from CCU?
The flight distance from Osh (OSS) to Kolkata (CCU) is 1,540 miles (2,478 km, 1,338 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSS to CCU?
A nonstop flight takes about 3h 29m 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 Osh and Kolkata?
Kolkata is 0.5 hours behind Osh.
What is the cheapest way to fly from OSS to CCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSS–CCU that never appear on search engines, with no booking fees.