Need help booking?
Unpublished phone-only deals available
ATO to CCU: distance & flight time
Athens (Ohio University Snyder Field) → Kolkata (Netaji Subhash Chandra Bose International Airport)
8,120 mi
13,068 km · 7,056 nm
16h 23m
estimated nonstop flight time
+9.5h
time difference · heading north
See live ATO→CCU fares Phone-only fares on this route — call free
Flight time details
8,120 miles nonstop takes roughly 16h 23m 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 gain when reading arrival times on your ticket.
The two airports
- ATO — Ohio University Snyder Field · Athens, 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 ATO
- PMH · Greater Portsmouth Regional Airport42 mi away
- PKB · Mid Ohio Valley Regional Airport43 mi away
- ZZV · Zanesville Municipal Airport54 mi away
- LCK · Rickenbacker International Airport56 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 ATO from CCU?
The flight distance from Athens (ATO) to Kolkata (CCU) is 8,120 miles (13,068 km, 7,056 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATO to CCU?
A nonstop flight takes about 16h 23m 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 Athens and Kolkata?
Kolkata is 9.5 hours ahead of Athens.
What is the cheapest way to fly from ATO to CCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATO–CCU that never appear on search engines, with no booking fees.