# Distance from Kathmandu (KTM) to Tanacross (TSG)

> 9,025 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,025 km / 5,608 mi / 4,873 nm
- **Estimated flight time**: 12h
- **Heading**: 20° (north northeast)
- **Return heading**: 318° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13.75h (When it's 02:20 in Kathmandu, it's 12:35 in Tanacross)
- **Elevation difference**: 2,831 ft (TSG is lower than KTM)

## Airports

### [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

### [Tanacross Airport (TSG)](https://www.flightduration.online/airport/tsg-tanacross-tanacross-airport/1ef266df-3c31-6248-be18-06bb2780ed98)

- City: Tanacross, United States
- ICAO: KTSG
- Timezone: America/Anchorage
- Coordinates: 63.370000, -143.330000
- Elevation: 1,559 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 02:20 in Kathmandu, it's 12:35 in Tanacross.
With a 13.75-hour time difference, expect significant jet lag.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Tanacross Airport (TSG)](https://www.flightduration.online/airport/tsg-tanacross-tanacross-airport/1ef266df-3c31-6248-be18-06bb2780ed98)
- [Flight duration calculator](/#calculator)