# Distance from Kathmandu (KTM) to Una (UNA)

> 14,147 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,147 km / 8,791 mi / 7,639 nm
- **Estimated flight time**: 18h
- **Heading**: 271° (west)
- **Return heading**: 67° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Brazil
- **Intercontinental**: Asia → South America
- **Time difference**: -8.75h (When it's 11:14 in Kathmandu, it's 02:29 in Una)
- **Elevation difference**: 4,370 ft (UNA 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

### [Hotel Transamerica Airport (UNA)](https://www.flightduration.online/airport/una-una-hotel-transamerica-airport/1ef266df-95bf-68c8-a283-06bb2780ed98)

- City: Una, Brazil
- ICAO: SBTC
- Timezone: America/Bahia
- Coordinates: -15.360000, -39.000000
- Elevation: 20 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 11:14 in Kathmandu, it's 02:29 in Una.
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)
- [Hotel Transamerica Airport (UNA)](https://www.flightduration.online/airport/una-una-hotel-transamerica-airport/1ef266df-95bf-68c8-a283-06bb2780ed98)
- [Flight duration calculator](/#calculator)