# Distance from Helena/West Helena (HEE) to Bucharest (OTP)

> 9,151 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,151 km / 5,686 mi / 4,941 nm
- **Estimated flight time**: 12h
- **Heading**: 40° (northeast)
- **Return heading**: 312° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Romania
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 22:04 in Helena/West Helena, it's 06:04 in Bucharest)
- **Elevation difference**: 72 ft (OTP is higher than HEE)

## Airports

### [Thompson-Robbins Airport (HEE)](https://www.flightduration.online/airport/hee-helenawest-helena-thompson-robbins-airport/1ef266df-2056-6d2a-a7a3-06bb2780ed98)

- City: Helena/West Helena, United States
- ICAO: KHEE
- Timezone: America/Chicago
- Coordinates: 34.580000, -90.680000
- Elevation: 242 ft

### [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

## 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 22:04 in Helena/West Helena, it's 06:04 in Bucharest.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Thompson-Robbins Airport (HEE)](https://www.flightduration.online/airport/hee-helenawest-helena-thompson-robbins-airport/1ef266df-2056-6d2a-a7a3-06bb2780ed98)
- [Henri Coanda International Airport (OTP)](https://www.flightduration.online/airport/otp-bucharest-henri-coanda-international-airport/1ef266df-5682-65f2-900a-06bb2780ed98)
- [Flight duration calculator](/#calculator)