# Distance from Kolkata (CCU) to West Yellowstone (WYS)

> 12,268 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,268 km / 7,623 mi / 6,624 nm
- **Estimated flight time**: 15h
- **Heading**: 15° (north northeast)
- **Return heading**: 341° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11.5h (When it's 07:38 in Kolkata, it's 20:08 in West Yellowstone)
- **Elevation difference**: 6,633 ft (WYS is higher than CCU)

## Airports

### [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

### [Yellowstone Airport (WYS)](https://www.flightduration.online/airport/wys-west-yellowstone-yellowstone-airport/1ef266df-402e-6864-b2fe-06bb2780ed98)

- City: West Yellowstone, United States
- ICAO: KWYS
- Timezone: America/Denver
- Coordinates: 44.690000, -111.120000
- Elevation: 6,649 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 07:38 in Kolkata, it's 20:08 in West Yellowstone.
With a 11.5-hour time difference, expect significant jet lag.

## Related

- [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)
- [Yellowstone Airport (WYS)](https://www.flightduration.online/airport/wys-west-yellowstone-yellowstone-airport/1ef266df-402e-6864-b2fe-06bb2780ed98)
- [Flight duration calculator](/#calculator)