# Distance from Boswell Bay (BSW) to Kathmandu (KTM)

> 9,163 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,163 km / 5,693 mi / 4,947 nm
- **Estimated flight time**: 12h
- **Heading**: 316° (northwest)
- **Return heading**: 23° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +13.75h (When it's 04:49 in Boswell Bay, it's 18:34 in Kathmandu)
- **Elevation difference**: 4,160 ft (KTM is higher than BSW)

## Airports

### [Boswell Bay Airport (BSW)](https://www.flightduration.online/airport/bsw-boswell-bay-boswell-bay-airport/1ef266de-99cb-618e-8cc5-06bb2780ed98)

- City: Boswell Bay, United States
- ICAO: AK97
- Timezone: America/Anchorage
- Coordinates: 60.420000, -146.150000
- Elevation: 230 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 04:49 in Boswell Bay, it's 18:34 in Kathmandu.
With a 13.75-hour time difference, expect significant jet lag.

## Related

- [Boswell Bay Airport (BSW)](https://www.flightduration.online/airport/bsw-boswell-bay-boswell-bay-airport/1ef266de-99cb-618e-8cc5-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)