# Distance from Kolkata (CCU) to Port Townsend (TWD)

> 11,558 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,558 km / 7,182 mi / 6,241 nm
- **Estimated flight time**: 15h
- **Heading**: 21° (north northeast)
- **Return heading**: 330° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12.5h (When it's 02:34 in Kolkata, it's 14:04 in Port Townsend)
- **Elevation difference**: 94 ft (TWD 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

### [Jefferson County International Airport (TWD)](https://www.flightduration.online/airport/twd-port-townsend-jefferson-county-international-airport/1ef266de-f704-6788-8b1a-06bb2780ed98)

- City: Port Townsend, United States
- ICAO: K0S9
- Timezone: America/Los_Angeles
- Coordinates: 48.050000, -122.810000
- Elevation: 110 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 02:34 in Kolkata, it's 14:04 in Port Townsend.
With a 12.5-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)
- [Jefferson County International Airport (TWD)](https://www.flightduration.online/airport/twd-port-townsend-jefferson-county-international-airport/1ef266de-f704-6788-8b1a-06bb2780ed98)
- [Flight duration calculator](/#calculator)