# Distance from Kolkata (CCU) to Grangeville (IDH)

> 11,995 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,995 km / 7,453 mi / 6,477 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**: -12.5h (When it's 05:35 in Kolkata, it's 17:05 in Grangeville)
- **Elevation difference**: 3,297 ft (IDH is higher than CCU)

## Airports

### [Netaji Subhash Chandra Bose International Airport (CCU)](https://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

### [Idaho County Airport (IDH)](https://flightduration.online/airport/idh-grangeville-idaho-county-airport/1ef266df-1e4c-626e-a079-06bb2780ed98)

- City: Grangeville, United States
- ICAO: KGIC
- Timezone: America/Los_Angeles
- Coordinates: 45.940000, -116.120000
- Elevation: 3,313 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 05:35 in Kolkata, it's 17:05 in Grangeville.
With a 12.5-hour time difference, expect significant jet lag.

## Related

- [Netaji Subhash Chandra Bose International Airport (CCU)](https://flightduration.online/airport/ccu-kolkata-netaji-subhash-chandra-bose-international-airport/1ef266df-f023-6fe4-a8d5-06bb2780ed98)
- [Idaho County Airport (IDH)](https://flightduration.online/airport/idh-grangeville-idaho-county-airport/1ef266df-1e4c-626e-a079-06bb2780ed98)
- [Flight duration calculator](/#calculator)