Need help booking?
Unpublished phone-only deals available
IMT to CCU: distance & flight time
Iron Mountain (Ford Airport) → Kolkata (Netaji Subhash Chandra Bose International Airport)
7,701 mi
12,393 km · 6,692 nm
15h 34m
estimated nonstop flight time
+10.5h
time difference · heading north
See live IMT→CCU fares Phone-only fares on this route — call free
Flight time details
7,701 miles nonstop takes roughly 15h 34m 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
- IMT — Ford Airport · Iron Mountain, 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 IMT
- ESC · Delta County Airport50 mi away
- MQT · Sawyer International Airport51 mi away
- MNM · Menominee Regional Airport53 mi away
- EGV · Eagle River Union 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 IMT from CCU?
The flight distance from Iron Mountain (IMT) to Kolkata (CCU) is 7,701 miles (12,393 km, 6,692 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IMT to CCU?
A nonstop flight takes about 15h 34m 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 Iron Mountain and Kolkata?
Kolkata is 10.5 hours ahead of Iron Mountain.
What is the cheapest way to fly from IMT to CCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IMT–CCU that never appear on search engines, with no booking fees.