# Distance from Bismarck (BIS) to Kolkata (CCU)

> 12,241 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,241 km / 7,606 mi / 6,609 nm
- **Estimated flight time**: 15h
- **Heading**: 351° (north)
- **Return heading**: 7° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → India
- **Intercontinental**: North America → Asia
- **Time difference**: +10.5h (When it's 03:01 in Bismarck, it's 13:31 in Kolkata)
- **Elevation difference**: 1,645 ft (CCU is lower than BIS)

## Airports

### [Bismarck Municipal Airport (BIS)](https://www.flightduration.online/airport/bis-bismarck-bismarck-municipal-airport/1ef266df-109f-659e-bf42-06bb2780ed98)

- City: Bismarck, United States
- ICAO: KBIS
- Timezone: America/Chicago
- Coordinates: 46.770000, -100.750000
- Elevation: 1,661 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 03:01 in Bismarck, it's 13:31 in Kolkata.
With a 10.5-hour time difference, expect significant jet lag.

## Related

- [Bismarck Municipal Airport (BIS)](https://www.flightduration.online/airport/bis-bismarck-bismarck-municipal-airport/1ef266df-109f-659e-bf42-06bb2780ed98)
- [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)