# Distance from Biratnagar (BIR) to Kathmandu (KTM)

> 232 km · estimated flight time 1h · Regional route.

## Summary

- **Distance**: 232 km / 144 mi / 125 nm
- **Estimated flight time**: 1h
- **Heading**: 306° (northwest)
- **Return heading**: 125° (southeast)
- **Classification**: Regional
- **Type**: Domestic (Nepal)
- **Time difference**: +0h (When it's 10:45 in Biratnagar, it's 10:45 in Kathmandu)
- **Elevation difference**: 4,154 ft (KTM is higher than BIR)

## Airports

### [Biratnagar Airport (BIR)](https://www.flightduration.online/airport/bir-biratnagar-biratnagar-airport/1ef266df-f365-6338-b063-06bb2780ed98)

- City: Biratnagar, Nepal
- ICAO: VNVT
- Timezone: Asia/Kathmandu
- Coordinates: 26.480000, 87.260000
- Elevation: 236 ft

### [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

## Route notes

This is a short regional route, typically operated by turboprop or small regional jet aircraft. Flight time is minimal and passengers can expect a quick, efficient journey.

## Related

- [Biratnagar Airport (BIR)](https://www.flightduration.online/airport/bir-biratnagar-biratnagar-airport/1ef266df-f365-6338-b063-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)