# Distance from Billings (BIL) to Kathmandu (KTM)

> 11,721 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,721 km / 7,283 mi / 6,329 nm
- **Estimated flight time**: 15h
- **Heading**: 347° (north northwest)
- **Return heading**: 10° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +11.75h (When it's 04:41 in Billings, it's 16:26 in Kathmandu)
- **Elevation difference**: 728 ft (KTM is higher than BIL)

## Airports

### [Billings Logan International Airport (BIL)](https://www.flightduration.online/airport/bil-billings-billings-logan-international-airport/1ef266df-109b-612e-84e1-06bb2780ed98)

- City: Billings, United States
- ICAO: KBIL
- Timezone: America/Denver
- Coordinates: 45.810000, -108.540000
- Elevation: 3,662 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 04:41 in Billings, it's 16:26 in Kathmandu.
With a 11.75-hour time difference, expect significant jet lag.

## Related

- [Billings Logan International Airport (BIL)](https://www.flightduration.online/airport/bil-billings-billings-logan-international-airport/1ef266df-109b-612e-84e1-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)