# Distance from Kolkata (CCU) to Burns Flat (CSM)

> 13,517 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,517 km / 8,399 mi / 7,298 nm
- **Estimated flight time**: 17h
- **Heading**: 7° (north)
- **Return heading**: 352° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10.5h (When it's 17:11 in Kolkata, it's 06:41 in Burns Flat)
- **Elevation difference**: 1,906 ft (CSM 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

### [Clinton/Sherman Airport (CSM)](https://www.flightduration.online/airport/csm-burns-flat-clintonsherman-airport/1ef266df-1527-6f94-af92-06bb2780ed98)

- City: Burns Flat, United States
- ICAO: KCSM
- Timezone: America/Chicago
- Coordinates: 35.340000, -99.200000
- Elevation: 1,922 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 17:11 in Kolkata, it's 06:41 in Burns Flat.
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)
- [Clinton/Sherman Airport (CSM)](https://www.flightduration.online/airport/csm-burns-flat-clintonsherman-airport/1ef266df-1527-6f94-af92-06bb2780ed98)
- [Flight duration calculator](/#calculator)