# Distance from Kolkata (CCU) to Tonghua (TNH)

> 4,071 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,071 km / 2,530 mi / 2,198 nm
- **Estimated flight time**: 6h
- **Heading**: 49° (northeast)
- **Return heading**: 249° (west southwest)
- **Classification**: Long-haul
- **Type**: International (India) → China
- **Time difference**: +2.5h (When it's 06:30 in Kolkata, it's 09:00 in Tonghua)
- **Elevation difference**: 1,184 ft (TNH 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

### [Tonghua Sanyuanpu Airport (TNH)](https://www.flightduration.online/airport/tnh-tonghua-tonghua-sanyuanpu-airport/1ef266e0-216c-651a-9861-06bb2780ed98)

- City: Tonghua, China
- ICAO: ZYTN
- Timezone: Asia/Shanghai
- Coordinates: 42.250000, 125.700000
- Elevation: 1,200 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 06:30 in Kolkata, it's 09:00 in Tonghua.

## 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)
- [Tonghua Sanyuanpu Airport (TNH)](https://www.flightduration.online/airport/tnh-tonghua-tonghua-sanyuanpu-airport/1ef266e0-216c-651a-9861-06bb2780ed98)
- [Flight duration calculator](/#calculator)