# Distance from Kolkata (CCU) to Cascade (ICS)

> 12,146 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,146 km / 7,547 mi / 6,558 nm
- **Estimated flight time**: 15h
- **Heading**: 18° (north northeast)
- **Return heading**: 336° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11.5h (When it's 07:21 in Kolkata, it's 19:51 in Cascade)
- **Elevation difference**: 4,732 ft (ICS 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

### [Cascade Airport (ICS)](https://www.flightduration.online/airport/ics-cascade-cascade-airport/1ef266df-3d4d-6956-a44b-06bb2780ed98)

- City: Cascade, United States
- ICAO: KU70
- Timezone: America/Boise
- Coordinates: 44.490000, -116.010000
- Elevation: 4,748 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 07:21 in Kolkata, it's 19:51 in Cascade.
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)
- [Cascade Airport (ICS)](https://www.flightduration.online/airport/ics-cascade-cascade-airport/1ef266df-3d4d-6956-a44b-06bb2780ed98)
- [Flight duration calculator](/#calculator)