# Distance from Kathmandu (KTM) to Sao Carlos (QSC)

> 15,280 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,280 km / 9,495 mi / 8,251 nm
- **Estimated flight time**: 19h
- **Heading**: 267° (west)
- **Return heading**: 72° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Brazil
- **Intercontinental**: Asia → South America
- **Time difference**: -8.75h (When it's 08:59 in Kathmandu, it's 00:14 in Sao Carlos)
- **Elevation difference**: 1,741 ft (QSC 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

### [Sao Carlos Airport (QSC)](https://www.flightduration.online/airport/qsc-sao-carlos-sao-carlos-airport/1ef266df-a2f0-6aba-943b-06bb2780ed98)

- City: Sao Carlos, Brazil
- ICAO: SDSC
- Timezone: America/Sao_Paulo
- Coordinates: -21.880000, -47.900000
- Elevation: 2,649 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 08:59 in Kathmandu, it's 00:14 in Sao Carlos.
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)
- [Sao Carlos Airport (QSC)](https://www.flightduration.online/airport/qsc-sao-carlos-sao-carlos-airport/1ef266df-a2f0-6aba-943b-06bb2780ed98)
- [Flight duration calculator](/#calculator)