# Distance from Nantucket (ACK) to Kolkata (CCU)

> 12,568 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,568 km / 7,809 mi / 6,786 nm
- **Estimated flight time**: 16h
- **Heading**: 22° (north northeast)
- **Return heading**: 343° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → India
- **Intercontinental**: North America → Asia
- **Time difference**: +9.5h (When it's 01:37 in Nantucket, it's 11:07 in Kolkata)
- **Elevation difference**: 31 ft (CCU is lower than ACK)

## Airports

### [Nantucket Memorial Airport (ACK)](https://www.flightduration.online/airport/ack-nantucket-nantucket-memorial-airport/1ef266df-0d24-6e78-82bb-06bb2780ed98)

- City: Nantucket, United States
- ICAO: KACK
- Timezone: America/New_York
- Coordinates: 41.300000, -70.100000
- Elevation: 47 ft

### [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

## 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 01:37 in Nantucket, it's 11:07 in Kolkata.
With a 9.5-hour time difference, expect significant jet lag.

## Related

- [Nantucket Memorial Airport (ACK)](https://www.flightduration.online/airport/ack-nantucket-nantucket-memorial-airport/1ef266df-0d24-6e78-82bb-06bb2780ed98)
- [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)
- [Flight duration calculator](/#calculator)