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OAK to CCU: distance & flight time
Oakland (Metropolitan Oakland International Airport) → Kolkata (Netaji Subhash Chandra Bose International Airport)
7,814 mi
12,575 km · 6,790 nm
15h 47m
estimated nonstop flight time
+12.5h
time difference · heading northwest
See live OAK→CCU fares Phone-only fares on this route — call free
Flight time details
7,814 miles nonstop takes roughly 15h 47m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12.5-hour time gain when reading arrival times on your ticket.
The two airports
- OAK — Metropolitan Oakland International Airport · Oakland, United States
- 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 OAK
- SFO · San Francisco International Airport11 mi away
- HWD · Hayward Executive Airport7 mi away
- NGZ · Alameda Naval Air Station7 mi away
- SQL · San Carlos Airport15 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 OAK from CCU?
The flight distance from Oakland (OAK) to Kolkata (CCU) is 7,814 miles (12,575 km, 6,790 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OAK to CCU?
A nonstop flight takes about 15h 47m 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 Oakland and Kolkata?
Kolkata is 12.5 hours ahead of Oakland.
What is the cheapest way to fly from OAK to CCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OAK–CCU that never appear on search engines, with no booking fees.