# Distance from Defiance (DFI) to Kathmandu (KTM)

> 12,267 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,267 km / 7,622 mi / 6,623 nm
- **Estimated flight time**: 15h
- **Heading**: 10° (north)
- **Return heading**: 352° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +9.75h (When it's 03:43 in Defiance, it's 13:28 in Kathmandu)
- **Elevation difference**: 3,683 ft (KTM is higher than DFI)

## Airports

### [Defiance Memorial Airport (DFI)](https://www.flightduration.online/airport/dfi-defiance-defiance-memorial-airport/1ef266df-1715-6d2e-b0f8-06bb2780ed98)

- City: Defiance, United States
- ICAO: KDFI
- Timezone: America/New_York
- Coordinates: 41.340000, -84.430000
- Elevation: 707 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 03:43 in Defiance, it's 13:28 in Kathmandu.
With a 9.75-hour time difference, expect significant jet lag.

## Related

- [Defiance Memorial Airport (DFI)](https://www.flightduration.online/airport/dfi-defiance-defiance-memorial-airport/1ef266df-1715-6d2e-b0f8-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)