# Distance from Kathmandu (KTM) to La Serena-Coquimbo (LSC)

> 17,722 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 17,722 km / 11,012 mi / 9,569 nm
- **Estimated flight time**: 22h
- **Heading**: 258° (west southwest)
- **Return heading**: 90° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Chile
- **Intercontinental**: Asia → South America
- **Time difference**: -9.75h (When it's 12:50 in Kathmandu, it's 03:05 in La Serena-Coquimbo)
- **Elevation difference**: 3,909 ft (LSC 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

### [La Florida Airport (LSC)](https://www.flightduration.online/airport/lsc-la-serena-coquimbo-la-florida-airport/1ef266df-9d90-6976-9498-06bb2780ed98)

- City: La Serena-Coquimbo, Chile
- ICAO: SCSE
- Timezone: America/Santiago
- Coordinates: -29.920000, -71.200000
- Elevation: 481 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 12:50 in Kathmandu, it's 03:05 in La Serena-Coquimbo.
With a 9.75-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)
- [La Florida Airport (LSC)](https://www.flightduration.online/airport/lsc-la-serena-coquimbo-la-florida-airport/1ef266df-9d90-6976-9498-06bb2780ed98)
- [Flight duration calculator](/#calculator)