# Distance from Kathmandu (KTM) to O'Neill (ONL)

> 12,201 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,201 km / 7,582 mi / 6,588 nm
- **Estimated flight time**: 15h
- **Heading**: 3° (north)
- **Return heading**: 356° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10.75h (When it's 23:39 in Kathmandu, it's 12:54 in O'Neill)
- **Elevation difference**: 2,356 ft (ONL 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

### [The O'Neill Municipal-John L Baker Field (ONL)](https://www.flightduration.online/airport/onl-oneill-the-oneill-municipal-john-l-baker-field/1ef266df-30c9-6518-ab5e-06bb2780ed98)

- City: O'Neill, United States
- ICAO: KONL
- Timezone: America/Chicago
- Coordinates: 42.470000, -98.690000
- Elevation: 2,034 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 23:39 in Kathmandu, it's 12:54 in O'Neill.
With a 10.75-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)
- [The O'Neill Municipal-John L Baker Field (ONL)](https://www.flightduration.online/airport/onl-oneill-the-oneill-municipal-john-l-baker-field/1ef266df-30c9-6518-ab5e-06bb2780ed98)
- [Flight duration calculator](/#calculator)