# Distance from Kolkata (CCU) to Nuku'alofa (TBU)

> 11,521 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,521 km / 7,159 mi / 6,221 nm
- **Estimated flight time**: 15h
- **Heading**: 108° (east southeast)
- **Return heading**: 289° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → Tonga
- **Intercontinental**: Asia → Oceania
- **Time difference**: +7.5h (When it's 03:34 in Kolkata, it's 11:04 in Nuku'alofa)
- **Elevation difference**: 110 ft (TBU 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

### [Fua'amotu International Airport (TBU)](https://www.flightduration.online/airport/tbu-nukualofa-fuaamotu-international-airport/1ef266df-705a-6d44-bad4-06bb2780ed98)

- City: Nuku'alofa, Tonga
- ICAO: NFTF
- Timezone: Pacific/Tongatapu
- Coordinates: -21.240000, -175.150000
- Elevation: 126 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 03:34 in Kolkata, it's 11:04 in Nuku'alofa.
With a 7.5-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)
- [Fua'amotu International Airport (TBU)](https://www.flightduration.online/airport/tbu-nukualofa-fuaamotu-international-airport/1ef266df-705a-6d44-bad4-06bb2780ed98)
- [Flight duration calculator](/#calculator)