# Distance from Dayton (FFO) to Kathmandu (KTM)

> 12,426 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,426 km / 7,721 mi / 6,710 nm
- **Estimated flight time**: 16h
- **Heading**: 10° (north)
- **Return heading**: 351° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +9.75h (When it's 00:49 in Dayton, it's 10:34 in Kathmandu)
- **Elevation difference**: 3,567 ft (KTM is higher than FFO)

## Airports

### [Wright-Patterson Afb Airport (FFO)](https://www.flightduration.online/airport/ffo-dayton-wright-patterson-afb-airport/1ef266df-1c0b-61a8-8a63-06bb2780ed98)

- City: Dayton, United States
- ICAO: KFFO
- Timezone: America/New_York
- Coordinates: 39.830000, -84.050000
- Elevation: 823 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 00:49 in Dayton, it's 10:34 in Kathmandu.
With a 9.75-hour time difference, expect significant jet lag.

## Related

- [Wright-Patterson Afb Airport (FFO)](https://www.flightduration.online/airport/ffo-dayton-wright-patterson-afb-airport/1ef266df-1c0b-61a8-8a63-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)