# Distance from Ascension Island (ASI) to Kolkata (CCU)

> 11,660 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,660 km / 7,245 mi / 6,296 nm
- **Estimated flight time**: 15h
- **Heading**: 69° (east northeast)
- **Return heading**: 267° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (SH) → India
- **Time difference**: +5.5h (When it's 11:40 in Ascension Island, it's 17:10 in Kolkata)
- **Elevation difference**: 262 ft (CCU is lower than ASI)

## Airports

### [RAF Ascension Island (ASI)](https://www.flightduration.online/airport/asi-ascension-island-raf-ascension-island/1ef266de-d88a-637a-8b82-06bb2780ed98)

- City: Ascension Island, SH
- ICAO: FHAW
- Timezone: Atlantic/St_Helena
- Coordinates: -7.970000, -14.390000
- Elevation: 278 ft

### [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

## 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 11:40 in Ascension Island, it's 17:10 in Kolkata.
The 5.5-hour time difference may cause some jet lag.

## Related

- [RAF Ascension Island (ASI)](https://www.flightduration.online/airport/asi-ascension-island-raf-ascension-island/1ef266de-d88a-637a-8b82-06bb2780ed98)
- [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)
- [Flight duration calculator](/#calculator)