# Distance from Kolkata (CCU) to Salmon (SMN)

> 12,147 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,147 km / 7,548 mi / 6,559 nm
- **Estimated flight time**: 15h
- **Heading**: 16° (north northeast)
- **Return heading**: 338° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11.5h (When it's 22:01 in Kolkata, it's 10:31 in Salmon)
- **Elevation difference**: 4,028 ft (SMN 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

### [Lemhi County Airport (SMN)](https://www.flightduration.online/airport/smn-salmon-lemhi-county-airport/1ef266df-38fc-6096-a427-06bb2780ed98)

- City: Salmon, United States
- ICAO: KSMN
- Timezone: America/Denver
- Coordinates: 45.120000, -113.880000
- Elevation: 4,044 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 22:01 in Kolkata, it's 10:31 in Salmon.
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)
- [Lemhi County Airport (SMN)](https://www.flightduration.online/airport/smn-salmon-lemhi-county-airport/1ef266df-38fc-6096-a427-06bb2780ed98)
- [Flight duration calculator](/#calculator)