# Distance from Kathmandu (KTM) to Siem Reap (REP)

> 2,487 km · estimated flight time 4h · Medium-haul route.

## Summary

- **Distance**: 2,487 km / 1,545 mi / 1,343 nm
- **Estimated flight time**: 4h
- **Heading**: 126° (southeast)
- **Return heading**: 313° (northwest)
- **Classification**: Medium-haul
- **Type**: International (Nepal) → Cambodia
- **Time difference**: +1.25h (When it's 02:48 in Kathmandu, it's 04:03 in Siem Reap)
- **Elevation difference**: 4,330 ft (REP 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

### [Angkor International Airport (REP)](https://www.flightduration.online/airport/rep-siem-reap-angkor-international-airport/1ef266df-efb8-691a-a780-06bb2780ed98)

- City: Siem Reap, Cambodia
- ICAO: VDSR
- Timezone: Asia/Phnom_Penh
- Coordinates: 13.410000, 103.810000
- Elevation: 60 ft

## Route notes

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 02:48 in Kathmandu, it's 04:03 in Siem Reap.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Angkor International Airport (REP)](https://www.flightduration.online/airport/rep-siem-reap-angkor-international-airport/1ef266df-efb8-691a-a780-06bb2780ed98)
- [Flight duration calculator](/#calculator)