# Distance from Kolkata (CCU) to Norman (OUN)

> 13,547 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,547 km / 8,418 mi / 7,315 nm
- **Estimated flight time**: 17h
- **Heading**: 6° (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 21:33 in Kolkata, it's 11:03 in Norman)
- **Elevation difference**: 1,166 ft (OUN 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

### [University Of Oklahoma Westheimer Airport (OUN)](https://flightduration.online/airport/oun-norman-university-of-oklahoma-westheimer-airport/1ef266df-315d-6e70-a657-06bb2780ed98)

- City: Norman, United States
- ICAO: KOUN
- Timezone: America/Chicago
- Coordinates: 35.250000, -97.470000
- Elevation: 1,182 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 21:33 in Kolkata, it's 11:03 in Norman.
With a 10.5-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)
- [University Of Oklahoma Westheimer Airport (OUN)](https://flightduration.online/airport/oun-norman-university-of-oklahoma-westheimer-airport/1ef266df-315d-6e70-a657-06bb2780ed98)
- [Flight duration calculator](/#calculator)