# Distance from Kolkata (CCU) to Boutilimit (OTL)

> 10,543 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,543 km / 6,551 mi / 5,693 nm
- **Estimated flight time**: 13h
- **Heading**: 291° (west northwest)
- **Return heading**: 64° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → Mauritania
- **Intercontinental**: Asia → Africa
- **Time difference**: -5.5h (When it's 06:48 in Kolkata, it's 01:18 in Boutilimit)
- **Elevation difference**: 105 ft (OTL 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

### [Boutilimit Airport (OTL)](https://www.flightduration.online/airport/otl-boutilimit-boutilimit-airport/1ef266de-e91e-6556-9400-06bb2780ed98)

- City: Boutilimit, Mauritania
- ICAO: GQNB
- Timezone: Africa/Nouakchott
- Coordinates: 17.530000, -14.680000
- Elevation: 121 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 06:48 in Kolkata, it's 01:18 in Boutilimit.
The 5.5-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)
- [Boutilimit Airport (OTL)](https://www.flightduration.online/airport/otl-boutilimit-boutilimit-airport/1ef266de-e91e-6556-9400-06bb2780ed98)
- [Flight duration calculator](/#calculator)