# Distance from Kolkata (CCU) to Grand Marais (GRM)

> 12,176 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,176 km / 7,566 mi / 6,575 nm
- **Estimated flight time**: 15h
- **Heading**: 359° (north)
- **Return heading**: 1° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10.5h (When it's 11:10 in Kolkata, it's 00:40 in Grand Marais)
- **Elevation difference**: 1,787 ft (GRM is higher than CCU)

## Airports

### [Netaji Subhash Chandra Bose International Airport (CCU)](https://www.flightduration.online/airport/ccu-kolkata-netaji-subhash-chandra-bose-international-airport/1ef266df-f023-6fe4-a8d5-06bb2780ed98)

- City: Kolkata, India
- ICAO: VECC
- Timezone: Asia/Kolkata
- Coordinates: 22.650000, 88.450000
- Elevation: 16 ft

### [Grand Marais/Cook County Airport (GRM)](https://www.flightduration.online/airport/grm-grand-marais-grand-maraiscook-county-airport/1ef266df-1404-6842-beaf-06bb2780ed98)

- City: Grand Marais, United States
- ICAO: KCKC
- Timezone: America/Chicago
- Coordinates: 47.840000, -90.380000
- Elevation: 1,803 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 11:10 in Kolkata, it's 00:40 in Grand Marais.
With a 10.5-hour time difference, expect significant jet lag.

## Related

- [Netaji Subhash Chandra Bose International Airport (CCU)](https://www.flightduration.online/airport/ccu-kolkata-netaji-subhash-chandra-bose-international-airport/1ef266df-f023-6fe4-a8d5-06bb2780ed98)
- [Grand Marais/Cook County Airport (GRM)](https://www.flightduration.online/airport/grm-grand-marais-grand-maraiscook-county-airport/1ef266df-1404-6842-beaf-06bb2780ed98)
- [Flight duration calculator](/#calculator)