# Distance from Atar (ATR) to Kathmandu (KTM)

> 9,742 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,742 km / 6,053 mi / 5,260 nm
- **Estimated flight time**: 12h
- **Heading**: 61° (east northeast)
- **Return heading**: 292° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Mauritania) → Nepal
- **Intercontinental**: Africa → Asia
- **Time difference**: +5.75h (When it's 18:16 in Atar, it's 00:01 in Kathmandu)
- **Elevation difference**: 3,656 ft (KTM is higher than ATR)

## Airports

### [Atar International Airport (ATR)](https://www.flightduration.online/airport/atr-atar-atar-international-airport/1ef266de-e957-66bc-8d77-06bb2780ed98)

- City: Atar, Mauritania
- ICAO: GQPA
- Timezone: Africa/Nouakchott
- Coordinates: 20.510000, -13.040000
- Elevation: 734 ft

### [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

## 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 18:16 in Atar, it's 00:01 in Kathmandu.
The 5.75-hour time difference may cause some jet lag.

## Related

- [Atar International Airport (ATR)](https://www.flightduration.online/airport/atr-atar-atar-international-airport/1ef266de-e957-66bc-8d77-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)