# Distance from Kolkata (CCU) to Port Alsworth (PTA)

> 9,213 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,213 km / 5,725 mi / 4,975 nm
- **Estimated flight time**: 12h
- **Heading**: 26° (north northeast)
- **Return heading**: 304° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13.5h (When it's 08:45 in Kolkata, it's 19:15 in Port Alsworth)
- **Elevation difference**: 264 ft (PTA 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

### [Port Alsworth Airport (PTA)](https://www.flightduration.online/airport/pta-port-alsworth-port-alsworth-airport/1ef266df-3c0a-66ac-980f-06bb2780ed98)

- City: Port Alsworth, United States
- ICAO: KTPO
- Timezone: America/Anchorage
- Coordinates: 60.200000, -154.320000
- Elevation: 280 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 08:45 in Kolkata, it's 19:15 in Port Alsworth.
With a 13.5-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)
- [Port Alsworth Airport (PTA)](https://www.flightduration.online/airport/pta-port-alsworth-port-alsworth-airport/1ef266df-3c0a-66ac-980f-06bb2780ed98)
- [Flight duration calculator](/#calculator)