# Distance from Kolkata (CCU) to Osijek (OSI)

> 6,674 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,674 km / 4,147 mi / 3,604 nm
- **Estimated flight time**: 9h
- **Heading**: 311° (northwest)
- **Return heading**: 87° (east)
- **Classification**: Long-haul
- **Type**: International (India) → Croatia
- **Intercontinental**: Asia → Europe
- **Time difference**: -3.5h (When it's 00:57 in Kolkata, it's 21:27 in Osijek)
- **Elevation difference**: 274 ft (OSI 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

### [Osijek Airport (OSI)](https://www.flightduration.online/airport/osi-osijek-osijek-airport/1ef266df-43b2-683c-9eec-06bb2780ed98)

- City: Osijek, Croatia
- ICAO: LDOS
- Timezone: Europe/Zagreb
- Coordinates: 45.460000, 18.810000
- Elevation: 290 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 00:57 in Kolkata, it's 21:27 in Osijek.
The 3.5-hour time difference may cause some 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)
- [Osijek Airport (OSI)](https://www.flightduration.online/airport/osi-osijek-osijek-airport/1ef266df-43b2-683c-9eec-06bb2780ed98)
- [Flight duration calculator](/#calculator)