# Distance from Kathmandu (KTM) to San Diego (NZY)

> 12,888 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,888 km / 8,008 mi / 6,959 nm
- **Estimated flight time**: 16h
- **Heading**: 21° (north northeast)
- **Return heading**: 338° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12.75h (When it's 00:39 in Kathmandu, it's 11:54 in San Diego)
- **Elevation difference**: 4,364 ft (NZY is lower than KTM)

## Airports

### [Tribhuvan International Airport (KTM)](https://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

### [North Island Nas (Halsey Field) Airport (NZY)](https://flightduration.online/airport/nzy-san-diego-north-island-nas-halsey-field-airport/1ef266df-2f26-667a-a25a-06bb2780ed98)

- City: San Diego, United States
- ICAO: KNZY
- Timezone: America/Los_Angeles
- Coordinates: 32.700000, -117.200000
- Elevation: 26 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 00:39 in Kathmandu, it's 11:54 in San Diego.
With a 12.75-hour time difference, expect significant jet lag.

## Related

- [Tribhuvan International Airport (KTM)](https://flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [North Island Nas (Halsey Field) Airport (NZY)](https://flightduration.online/airport/nzy-san-diego-north-island-nas-halsey-field-airport/1ef266df-2f26-667a-a25a-06bb2780ed98)
- [Flight duration calculator](/#calculator)