# Distance from Big Mountain (BMX) to Kolkata (CCU)

> 9,222 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,222 km / 5,730 mi / 4,979 nm
- **Estimated flight time**: 12h
- **Heading**: 304° (west northwest)
- **Return heading**: 27° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → India
- **Intercontinental**: North America → Asia
- **Time difference**: +13.5h (When it's 07:19 in Big Mountain, it's 20:49 in Kolkata)
- **Elevation difference**: 647 ft (CCU is lower than BMX)

## Airports

### [Big Mountain Airport (BMX)](https://www.flightduration.online/airport/bmx-big-mountain-big-mountain-airport/1ef266df-85cb-6412-a131-06bb2780ed98)

- City: Big Mountain, United States
- ICAO: PABM
- Timezone: America/Anchorage
- Coordinates: 59.360000, -155.260000
- Elevation: 663 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 07:19 in Big Mountain, it's 20:49 in Kolkata.
With a 13.5-hour time difference, expect significant jet lag.

## Related

- [Big Mountain Airport (BMX)](https://www.flightduration.online/airport/bmx-big-mountain-big-mountain-airport/1ef266df-85cb-6412-a131-06bb2780ed98)
- [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)