# Distance from Denver (BJC) to Kolkata (CCU)

> 12,918 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,918 km / 8,027 mi / 6,975 nm
- **Estimated flight time**: 16h
- **Heading**: 346° (north northwest)
- **Return heading**: 12° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → India
- **Intercontinental**: North America → Asia
- **Time difference**: +11.5h (When it's 13:13 in Denver, it's 00:43 in Kolkata)
- **Elevation difference**: 5,657 ft (CCU is lower than BJC)

## Airports

### [Rocky Mountain Metro Airport (BJC)](https://www.flightduration.online/airport/bjc-denver-rocky-mountain-metro-airport/1ef266df-10ab-64de-a44c-06bb2780ed98)

- City: Denver, United States
- ICAO: KBJC
- Timezone: America/Denver
- Coordinates: 39.910000, -105.120000
- Elevation: 5,673 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 13:13 in Denver, it's 00:43 in Kolkata.
With a 11.5-hour time difference, expect significant jet lag.

## Related

- [Rocky Mountain Metro Airport (BJC)](https://www.flightduration.online/airport/bjc-denver-rocky-mountain-metro-airport/1ef266df-10ab-64de-a44c-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)