# Distance from Bucharest (OTP) to Semporna (SMM)

> 9,856 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,856 km / 6,124 mi / 5,322 nm
- **Estimated flight time**: 13h
- **Heading**: 85° (east)
- **Return heading**: 315° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Romania) → Malaysia
- **Intercontinental**: Europe → Asia
- **Time difference**: +5h (When it's 09:51 in Bucharest, it's 14:51 in Semporna)
- **Elevation difference**: 254 ft (SMM is lower than OTP)

## Airports

### [Henri Coanda International Airport (OTP)](https://www.flightduration.online/airport/otp-bucharest-henri-coanda-international-airport/1ef266df-5682-65f2-900a-06bb2780ed98)

- City: Bucharest, Romania
- ICAO: LROP
- Timezone: Europe/Bucharest
- Coordinates: 44.570000, 26.100000
- Elevation: 314 ft

### [Semporna Airport (SMM)](https://www.flightduration.online/airport/smm-semporna-semporna-airport/1ef266df-fb6a-647a-b279-06bb2780ed98)

- City: Semporna, Malaysia
- ICAO: WBKA
- Timezone: Asia/Kuching
- Coordinates: 4.450000, 118.580000
- Elevation: 60 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 09:51 in Bucharest, it's 14:51 in Semporna.
The 5-hour time difference may cause some jet lag.

## Related

- [Henri Coanda International Airport (OTP)](https://www.flightduration.online/airport/otp-bucharest-henri-coanda-international-airport/1ef266df-5682-65f2-900a-06bb2780ed98)
- [Semporna Airport (SMM)](https://www.flightduration.online/airport/smm-semporna-semporna-airport/1ef266df-fb6a-647a-b279-06bb2780ed98)
- [Flight duration calculator](/#calculator)