# Distance from Kolkata (CCU) to Changhai (CNI)

> 3,717 km · estimated flight time 5h · Medium-haul route.

## Summary

- **Distance**: 3,717 km / 2,310 mi / 2,007 nm
- **Estimated flight time**: 5h
- **Heading**: 52° (northeast)
- **Return heading**: 250° (west southwest)
- **Classification**: Medium-haul
- **Type**: International (India) → China
- **Time difference**: +2.5h (When it's 13:51 in Kolkata, it's 16:21 in Changhai)
- **Elevation difference**: 64 ft (CNI 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

### [Changhai Airport (CNI)](https://www.flightduration.online/airport/cni-changhai-changhai-airport/1ef266e0-212c-6a28-92ef-06bb2780ed98)

- City: Changhai, China
- ICAO: ZYCH
- Timezone: Asia/Shanghai
- Coordinates: 39.270000, 122.670000
- Elevation: 80 ft

## Route notes

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 13:51 in Kolkata, it's 16:21 in Changhai.

## 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)
- [Changhai Airport (CNI)](https://www.flightduration.online/airport/cni-changhai-changhai-airport/1ef266e0-212c-6a28-92ef-06bb2780ed98)
- [Flight duration calculator](/#calculator)