# Distance from Kolkata (CCU) to Danbury (DXR)

> 12,656 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,656 km / 7,864 mi / 6,834 nm
- **Estimated flight time**: 16h
- **Heading**: 345° (north northwest)
- **Return heading**: 18° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -9.5h (When it's 21:56 in Kolkata, it's 12:26 in Danbury)
- **Elevation difference**: 441 ft (DXR 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

### [Danbury Municipal Airport (DXR)](https://www.flightduration.online/airport/dxr-danbury-danbury-municipal-airport/1ef266df-182b-6b5a-8dc0-06bb2780ed98)

- City: Danbury, United States
- ICAO: KDXR
- Timezone: America/New_York
- Coordinates: 41.370000, -73.480000
- Elevation: 457 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 21:56 in Kolkata, it's 12:26 in Danbury.
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)
- [Danbury Municipal Airport (DXR)](https://www.flightduration.online/airport/dxr-danbury-danbury-municipal-airport/1ef266df-182b-6b5a-8dc0-06bb2780ed98)
- [Flight duration calculator](/#calculator)