# Distance from Kathmandu (KTM) to Cerro Sombrero (SMB)

> 16,536 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,536 km / 10,275 mi / 8,929 nm
- **Estimated flight time**: 20h
- **Heading**: 210° (south southwest)
- **Return heading**: 133° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Chile
- **Intercontinental**: Asia → South America
- **Time difference**: -8.75h (When it's 19:34 in Kathmandu, it's 10:49 in Cerro Sombrero)
- **Elevation difference**: 4,286 ft (SMB 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

### [Franco Bianco Airport (SMB)](https://www.flightduration.online/airport/smb-cerro-sombrero-franco-bianco-airport/1ef266df-9d87-6fa6-9372-06bb2780ed98)

- City: Cerro Sombrero, Chile
- ICAO: SCSB
- Timezone: America/Punta_Arenas
- Coordinates: -52.740000, -69.330000
- Elevation: 104 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 19:34 in Kathmandu, it's 10:49 in Cerro Sombrero.
With a 8.75-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)
- [Franco Bianco Airport (SMB)](https://www.flightduration.online/airport/smb-cerro-sombrero-franco-bianco-airport/1ef266df-9d87-6fa6-9372-06bb2780ed98)
- [Flight duration calculator](/#calculator)