# Distance from Kathmandu (KTM) to Boutilimit (OTL)

> 10,053 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,053 km / 6,247 mi / 5,428 nm
- **Estimated flight time**: 13h
- **Heading**: 290° (west northwest)
- **Return heading**: 61° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Mauritania
- **Intercontinental**: Asia → Africa
- **Time difference**: -5.75h (When it's 01:10 in Kathmandu, it's 19:25 in Boutilimit)
- **Elevation difference**: 4,269 ft (OTL is lower than KTM)

## Airports

### [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)

- City: Kathmandu, Nepal
- ICAO: VNKT
- Timezone: Asia/Kathmandu
- Coordinates: 27.700000, 85.360000
- Elevation: 4,390 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 01:10 in Kathmandu, it's 19:25 in Boutilimit.
The 5.75-hour time difference may cause some jet lag.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Boutilimit Airport (OTL)](https://www.flightduration.online/airport/otl-boutilimit-boutilimit-airport/1ef266de-e91e-6556-9400-06bb2780ed98)
- [Flight duration calculator](/#calculator)