# Distance from Kathmandu (KTM) to Tabatinga (TBT)

> 16,323 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,323 km / 10,142 mi / 8,814 nm
- **Estimated flight time**: 20h
- **Heading**: 310° (northwest)
- **Return heading**: 42° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Brazil
- **Intercontinental**: Asia → South America
- **Time difference**: -9.75h (When it's 22:07 in Kathmandu, it's 12:22 in Tabatinga)
- **Elevation difference**: 4,111 ft (TBT 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

### [Tabatinga Airport (TBT)](https://www.flightduration.online/airport/tbt-tabatinga-tabatinga-airport/1ef266df-95e3-658e-afd2-06bb2780ed98)

- City: Tabatinga, Brazil
- ICAO: SBTT
- Timezone: America/Porto_Velho
- Coordinates: -4.260000, -69.940000
- Elevation: 279 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 22:07 in Kathmandu, it's 12:22 in Tabatinga.
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)
- [Tabatinga Airport (TBT)](https://www.flightduration.online/airport/tbt-tabatinga-tabatinga-airport/1ef266df-95e3-658e-afd2-06bb2780ed98)
- [Flight duration calculator](/#calculator)