# Distance from Aurora (BFK) to Kolkata (CCU)

> 12,948 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,948 km / 8,045 mi / 6,991 nm
- **Estimated flight time**: 16h
- **Heading**: 346° (north northwest)
- **Return heading**: 11° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → India
- **Intercontinental**: North America → Asia
- **Time difference**: +11.5h (When it's 00:15 in Aurora, it's 11:45 in Kolkata)
- **Elevation difference**: 5,647 ft (CCU is lower than BFK)

## Airports

### [Buckley Space Force Base Airport (BFK)](https://www.flightduration.online/airport/bfk-aurora-buckley-space-force-base-airport/1ef266df-10bf-67c2-aea5-06bb2780ed98)

- City: Aurora, United States
- ICAO: KBKF
- Timezone: America/Denver
- Coordinates: 39.700000, -104.750000
- Elevation: 5,663 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 00:15 in Aurora, it's 11:45 in Kolkata.
With a 11.5-hour time difference, expect significant jet lag.

## Related

- [Buckley Space Force Base Airport (BFK)](https://www.flightduration.online/airport/bfk-aurora-buckley-space-force-base-airport/1ef266df-10bf-67c2-aea5-06bb2780ed98)
- [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)