# Distance from Kolkata (CCU) to Ust-Ilimsk (UIK)

> 4,105 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,105 km / 2,551 mi / 2,216 nm
- **Estimated flight time**: 6h
- **Heading**: 12° (north northeast)
- **Return heading**: 202° (south southwest)
- **Classification**: Long-haul
- **Type**: International (India) → Russia
- **Intercontinental**: Asia → Europe
- **Time difference**: +2.5h (When it's 18:08 in Kolkata, it's 20:38 in Ust-Ilimsk)
- **Elevation difference**: 1,323 ft (UIK 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

### [Ust-Ilimsk Airport (UIK)](https://www.flightduration.online/airport/uik-ust-ilimsk-ust-ilimsk-airport/1ef266df-e651-6b4c-be1e-06bb2780ed98)

- City: Ust-Ilimsk, Russia
- ICAO: UIBS
- Timezone: Asia/Irkutsk
- Coordinates: 58.140000, 102.560000
- Elevation: 1,339 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 18:08 in Kolkata, it's 20:38 in Ust-Ilimsk.

## 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)
- [Ust-Ilimsk Airport (UIK)](https://www.flightduration.online/airport/uik-ust-ilimsk-ust-ilimsk-airport/1ef266df-e651-6b4c-be1e-06bb2780ed98)
- [Flight duration calculator](/#calculator)