Need help booking?
Unpublished phone-only deals available
ALO to CCU: distance & flight time
Waterloo (Waterloo Regional Airport) → Kolkata (Netaji Subhash Chandra Bose International Airport)
7,931 mi
12,763 km · 6,892 nm
16h 1m
estimated nonstop flight time
+10.5h
time difference · heading north
See live ALO→CCU fares Phone-only fares on this route — call free
Flight time details
7,931 miles nonstop takes roughly 16h 1m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time gain when reading arrival times on your ticket.
The two airports
- ALO — Waterloo Regional Airport · Waterloo, 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 ALO
- CCY · Northeast Iowa Regional Airport37 mi away
- CID · The Eastern Iowa Airport58 mi away
- MCW · Mason City Municipal Airport63 mi away
- PCD · Prairie Du Chien Municipal Airport72 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 ALO from CCU?
The flight distance from Waterloo (ALO) to Kolkata (CCU) is 7,931 miles (12,763 km, 6,892 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALO to CCU?
A nonstop flight takes about 16h 1m 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 Waterloo and Kolkata?
Kolkata is 10.5 hours ahead of Waterloo.
What is the cheapest way to fly from ALO to CCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALO–CCU that never appear on search engines, with no booking fees.