# Distance from Kolkata (CCU) to Heihe (HEK)

> 4,546 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,546 km / 2,825 mi / 2,455 nm
- **Estimated flight time**: 6h
- **Heading**: 38° (northeast)
- **Return heading**: 242° (west southwest)
- **Classification**: Long-haul
- **Type**: International (India) → China
- **Time difference**: +2.5h (When it's 23:34 in Kolkata, it's 02:04 in Heihe)
- **Elevation difference**: 8,514 ft (HEK 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

### [Heihe Airport (HEK)](https://www.flightduration.online/airport/hek-heihe-heihe-airport/1ef266e0-2140-6e10-86b3-06bb2780ed98)

- City: Heihe, China
- ICAO: ZYHE
- Timezone: Asia/Shanghai
- Coordinates: 50.170000, 127.310000
- Elevation: 8,530 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 23:34 in Kolkata, it's 02:04 in Heihe.

## 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)
- [Heihe Airport (HEK)](https://www.flightduration.online/airport/hek-heihe-heihe-airport/1ef266e0-2140-6e10-86b3-06bb2780ed98)
- [Flight duration calculator](/#calculator)