# Distance from Kathmandu (KTM) to Washington (WSG)

> 12,327 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,327 km / 7,660 mi / 6,656 nm
- **Estimated flight time**: 16h
- **Heading**: 348° (north northwest)
- **Return heading**: 14° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -9.75h (When it's 04:36 in Kathmandu, it's 18:51 in Washington)
- **Elevation difference**: 3,206 ft (WSG 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

### [Washington County Airport (WSG)](https://www.flightduration.online/airport/wsg-washington-washington-county-airport/1ef266df-0d7b-6520-abf4-06bb2780ed98)

- City: Washington, United States
- ICAO: KAFJ
- Timezone: America/New_York
- Coordinates: 40.140000, -80.290000
- Elevation: 1,184 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 04:36 in Kathmandu, it's 18:51 in Washington.
With a 9.75-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)
- [Washington County Airport (WSG)](https://www.flightduration.online/airport/wsg-washington-washington-county-airport/1ef266df-0d7b-6520-abf4-06bb2780ed98)
- [Flight duration calculator](/#calculator)