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DTB to CCU: distance & flight time
Siborong-Borong (Silangit Airport) → Kolkata (Netaji Subhash Chandra Bose International Airport)
1,577 mi
2,537 km · 1,370 nm
3h 33m
estimated nonstop flight time
-1.5h
time difference · heading northwest
See live DTB→CCU fares Phone-only fares on this route — call free
Flight time details
1,577 miles nonstop takes roughly 3h 33m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time set-back when reading arrival times on your ticket.
The two airports
- DTB — Silangit Airport · Siborong-Borong, Indonesia
- 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 DTB
- FLZ · Dr Ferdinand Lumban Tobing Airport49 mi away
- AEG · Aek Godang Airport67 mi away
- MES · Soewondo Air Force Base92 mi away
- KNO · Kualanamu International Airport96 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 DTB from CCU?
The flight distance from Siborong-Borong (DTB) to Kolkata (CCU) is 1,577 miles (2,537 km, 1,370 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTB to CCU?
A nonstop flight takes about 3h 33m 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 Siborong-Borong and Kolkata?
Kolkata is 1.5 hours behind Siborong-Borong.
What is the cheapest way to fly from DTB to CCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTB–CCU that never appear on search engines, with no booking fees.