# Distance from Hays (HYS) to Kathmandu (KTM)

> 12,601 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,601 km / 7,830 mi / 6,804 nm
- **Estimated flight time**: 16h
- **Heading**: 356° (north)
- **Return heading**: 4° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +10.75h (When it's 18:49 in Hays, it's 05:34 in Kathmandu)
- **Elevation difference**: 2,391 ft (KTM is higher than HYS)

## Airports

### [Hays Regional Airport (HYS)](https://www.flightduration.online/airport/hys-hays-hays-regional-airport/1ef266df-21f7-6d96-88ed-06bb2780ed98)

- City: Hays, United States
- ICAO: KHYS
- Timezone: America/Chicago
- Coordinates: 38.840000, -99.270000
- Elevation: 1,999 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 18:49 in Hays, it's 05:34 in Kathmandu.
With a 10.75-hour time difference, expect significant jet lag.

## Related

- [Hays Regional Airport (HYS)](https://www.flightduration.online/airport/hys-hays-hays-regional-airport/1ef266df-21f7-6d96-88ed-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)