# Distance from Kathmandu (KTM) to Rio Branco (RBR)

> 16,587 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,587 km / 10,307 mi / 8,956 nm
- **Estimated flight time**: 21h
- **Heading**: 300° (west northwest)
- **Return heading**: 51° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Brazil
- **Intercontinental**: Asia → South America
- **Time difference**: -10.75h (When it's 14:44 in Kathmandu, it's 03:59 in Rio Branco)
- **Elevation difference**: 3,757 ft (RBR 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

### [Placido de Castro Airport (RBR)](https://www.flightduration.online/airport/rbr-rio-branco-placido-de-castro-airport/1ef266df-957e-6f3a-8d58-06bb2780ed98)

- City: Rio Branco, Brazil
- ICAO: SBRB
- Timezone: America/Rio_Branco
- Coordinates: -9.870000, -67.900000
- Elevation: 633 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 14:44 in Kathmandu, it's 03:59 in Rio Branco.
With a 10.75-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)
- [Placido de Castro Airport (RBR)](https://www.flightduration.online/airport/rbr-rio-branco-placido-de-castro-airport/1ef266df-957e-6f3a-8d58-06bb2780ed98)
- [Flight duration calculator](/#calculator)