# Distance from Kathmandu (KTM) to Ogallala (OGA)

> 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**: 6° (north)
- **Return heading**: 353° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11.75h (When it's 19:12 in Kathmandu, it's 07:27 in Ogallala)
- **Elevation difference**: 1,111 ft (OGA 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

### [Searle Field (OGA)](https://www.flightduration.online/airport/oga-ogallala-searle-field/1ef266df-3043-6918-b94a-06bb2780ed98)

- City: Ogallala, United States
- ICAO: KOGA
- Timezone: America/Denver
- Coordinates: 41.120000, -101.770000
- Elevation: 3,279 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 19:12 in Kathmandu, it's 07:27 in Ogallala.
With a 11.75-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)
- [Searle Field (OGA)](https://www.flightduration.online/airport/oga-ogallala-searle-field/1ef266df-3043-6918-b94a-06bb2780ed98)
- [Flight duration calculator](/#calculator)