# Distance from Flagstaff (FLG) to Kathmandu (KTM)

> 12,802 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,802 km / 7,955 mi / 6,913 nm
- **Estimated flight time**: 16h
- **Heading**: 343° (north northwest)
- **Return heading**: 15° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +12.75h (When it's 05:46 in Flagstaff, it's 18:31 in Kathmandu)
- **Elevation difference**: 2,625 ft (KTM is lower than FLG)

## Airports

### [Flagstaff Pulliam Airport (FLG)](https://www.flightduration.online/airport/flg-flagstaff-flagstaff-pulliam-airport/1ef266df-1c5d-652a-9138-06bb2780ed98)

- City: Flagstaff, United States
- ICAO: KFLG
- Timezone: America/Phoenix
- Coordinates: 35.140000, -111.670000
- Elevation: 7,015 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 05:46 in Flagstaff, it's 18:31 in Kathmandu.
With a 12.75-hour time difference, expect significant jet lag.

## Related

- [Flagstaff Pulliam Airport (FLG)](https://www.flightduration.online/airport/flg-flagstaff-flagstaff-pulliam-airport/1ef266df-1c5d-652a-9138-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)