# Distance from Kolkata (CCU) to Tres Arroyos (OYO)

> 16,575 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,575 km / 10,299 mi / 8,950 nm
- **Estimated flight time**: 21h
- **Heading**: 232° (southwest)
- **Return heading**: 111° (east southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → Argentina
- **Intercontinental**: Asia → South America
- **Time difference**: -8.5h (When it's 05:22 in Kolkata, it's 20:52 in Tres Arroyos)
- **Elevation difference**: 384 ft (OYO 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

### [Tres Arroyos Airport (OYO)](https://www.flightduration.online/airport/oyo-tres-arroyos-tres-arroyos-airport/1ef266df-9359-6296-b671-06bb2780ed98)

- City: Tres Arroyos, Argentina
- ICAO: SAZH
- Timezone: America/Argentina/Buenos_Aires
- Coordinates: -38.390000, -60.330000
- Elevation: 400 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 05:22 in Kolkata, it's 20:52 in Tres Arroyos.
With a 8.5-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)
- [Tres Arroyos Airport (OYO)](https://www.flightduration.online/airport/oyo-tres-arroyos-tres-arroyos-airport/1ef266df-9359-6296-b671-06bb2780ed98)
- [Flight duration calculator](/#calculator)