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GRM to CCU: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Kolkata (Netaji Subhash Chandra Bose International Airport)
7,566 mi
12,176 km · 6,574 nm
15h 18m
estimated nonstop flight time
+10.5h
time difference · heading north
See live GRM→CCU fares Phone-only fares on this route — call free
Flight time details
7,566 miles nonstop takes roughly 15h 18m 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
- GRM — Grand Marais Cook County Airport · Grand Marais, 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 GRM
- YQT · Thunder Bay Airport61 mi away
- LYU · Ely Municipal Airport67 mi away
- YIB · Atikokan Municipal Airport87 mi away
- CMX · Houghton County Memorial Airport100 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 GRM from CCU?
The flight distance from Grand Marais (GRM) to Kolkata (CCU) is 7,566 miles (12,176 km, 6,574 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to CCU?
A nonstop flight takes about 15h 18m 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 Grand Marais and Kolkata?
Kolkata is 10.5 hours ahead of Grand Marais.
What is the cheapest way to fly from GRM to CCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–CCU that never appear on search engines, with no booking fees.