# Distance from Kolkata (CCU) to Groton (New London) (GON)

> 12,622 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,622 km / 7,843 mi / 6,815 nm
- **Estimated flight time**: 16h
- **Heading**: 344° (north northwest)
- **Return heading**: 20° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -9.5h (When it's 18:37 in Kolkata, it's 09:07 in Groton (New London))
- **Elevation difference**: 7 ft (GON is lower 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

### [Groton-New London Airport (GON)](https://www.flightduration.online/airport/gon-groton-new-london-groton-new-london-airport/1ef266df-1ead-6b7c-a780-06bb2780ed98)

- City: Groton (New London), United States
- ICAO: KGON
- Timezone: America/New_York
- Coordinates: 41.330000, -72.050000
- Elevation: 9 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 18:37 in Kolkata, it's 09:07 in Groton (New London).
With a 9.5-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)
- [Groton-New London Airport (GON)](https://www.flightduration.online/airport/gon-groton-new-london-groton-new-london-airport/1ef266df-1ead-6b7c-a780-06bb2780ed98)
- [Flight duration calculator](/#calculator)