# Distance from Kolkata (CCU) to Casper (CPR)

> 12,567 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,567 km / 7,809 mi / 6,786 nm
- **Estimated flight time**: 16h
- **Heading**: 12° (north northeast)
- **Return heading**: 345° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11.5h (When it's 10:16 in Kolkata, it's 22:46 in Casper)
- **Elevation difference**: 5,328 ft (CPR 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

### [Casper/Natrona County International Airport (CPR)](https://www.flightduration.online/airport/cpr-casper-caspernatrona-county-international-airport/1ef266df-14d5-6898-9a21-06bb2780ed98)

- City: Casper, United States
- ICAO: KCPR
- Timezone: America/Denver
- Coordinates: 42.910000, -106.460000
- Elevation: 5,344 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 10:16 in Kolkata, it's 22:46 in Casper.
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)
- [Casper/Natrona County International Airport (CPR)](https://www.flightduration.online/airport/cpr-casper-caspernatrona-county-international-airport/1ef266df-14d5-6898-9a21-06bb2780ed98)
- [Flight duration calculator](/#calculator)