# Distance from Kolkata (CCU) to Grand Forks (RDR)

> 12,137 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,137 km / 7,542 mi / 6,554 nm
- **Estimated flight time**: 15h
- **Heading**: 4° (north)
- **Return heading**: 354° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10.5h (When it's 15:35 in Kolkata, it's 05:05 in Grand Forks)
- **Elevation difference**: 895 ft (RDR 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

### [Grand Forks Afb Airport (RDR)](https://www.flightduration.online/airport/rdr-grand-forks-grand-forks-afb-airport/1ef266df-34dc-64c0-ad85-06bb2780ed98)

- City: Grand Forks, United States
- ICAO: KRDR
- Timezone: America/Chicago
- Coordinates: 48.000000, -97.400000
- Elevation: 911 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 15:35 in Kolkata, it's 05:05 in Grand Forks.
With a 10.5-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)
- [Grand Forks Afb Airport (RDR)](https://www.flightduration.online/airport/rdr-grand-forks-grand-forks-afb-airport/1ef266df-34dc-64c0-ad85-06bb2780ed98)
- [Flight duration calculator](/#calculator)