# Distance from Kathmandu (KTM) to Rio De Janeiro (SDU)

> 14,849 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,849 km / 9,227 mi / 8,018 nm
- **Estimated flight time**: 18h
- **Heading**: 264° (west)
- **Return heading**: 73° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Brazil
- **Intercontinental**: Asia → South America
- **Time difference**: -8.75h (When it's 20:01 in Kathmandu, it's 11:16 in Rio De Janeiro)
- **Elevation difference**: 4,379 ft (SDU 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

### [Santos Dumont Airport (SDU)](https://www.flightduration.online/airport/sdu-rio-de-janeiro-santos-dumont-airport/1ef266df-9587-6a68-949c-06bb2780ed98)

- City: Rio De Janeiro, Brazil
- ICAO: SBRJ
- Timezone: America/Sao_Paulo
- Coordinates: -22.910000, -43.160000
- Elevation: 11 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 20:01 in Kathmandu, it's 11:16 in Rio De Janeiro.
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)
- [Santos Dumont Airport (SDU)](https://www.flightduration.online/airport/sdu-rio-de-janeiro-santos-dumont-airport/1ef266df-9587-6a68-949c-06bb2780ed98)
- [Flight duration calculator](/#calculator)