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CCU to GAI: distance & flight time
Kolkata (Netaji Subhash Chandra Bose International Airport) → Gaithersburg (Montgomery County Airpark)
8,065 mi
12,980 km · 7,008 nm
16h 17m
estimated nonstop flight time
-9.5h
time difference · heading north
See live CCU→GAI fares Phone-only fares on this route — call free
Flight time details
8,065 miles nonstop takes roughly 16h 17m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time set-back when reading arrival times on your ticket.
The two airports
- CCU — Netaji Subhash Chandra Bose International Airport · Kolkata, India
- GAI — Montgomery County Airpark · Gaithersburg, United States
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 CCU
- JSR · Jessore Airport58 mi away
- RDP · Kazi Nazrul Islam Airport102 mi away
- IRD · Ishurdi Airport110 mi away
- BZL · Barisal Airport119 mi away
Near GAI
Frequently asked questions
How far is CCU from GAI?
The flight distance from Kolkata (CCU) to Gaithersburg (GAI) is 8,065 miles (12,980 km, 7,008 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CCU to GAI?
A nonstop flight takes about 16h 17m 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 Kolkata and Gaithersburg?
Gaithersburg is 9.5 hours behind Kolkata.
What is the cheapest way to fly from CCU to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CCU–GAI that never appear on search engines, with no booking fees.