# Distance from Cairo (CAI) to Helena (HLN)

> 10,725 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,725 km / 6,664 mi / 5,791 nm
- **Estimated flight time**: 14h
- **Heading**: 336° (north northwest)
- **Return heading**: 31° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Egypt) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -9h (When it's 22:07 in Cairo, it's 13:07 in Helena)
- **Elevation difference**: 3,495 ft (HLN is higher than CAI)

## Airports

### [Cairo International Airport (CAI)](https://www.flightduration.online/airport/cai-cairo-cairo-international-airport/1ef266de-eb26-69e8-bb1a-06bb2780ed98)

- City: Cairo, Egypt
- ICAO: HECA
- Timezone: Africa/Cairo
- Coordinates: 30.120000, 31.410000
- Elevation: 382 ft

### [Helena Regional Airport (HLN)](https://www.flightduration.online/airport/hln-helena-helena-regional-airport/1ef266df-20d7-6808-b3f9-06bb2780ed98)

- City: Helena, United States
- ICAO: KHLN
- Timezone: America/Denver
- Coordinates: 46.610000, -111.980000
- Elevation: 3,877 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 22:07 in Cairo, it's 13:07 in Helena.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Cairo International Airport (CAI)](https://www.flightduration.online/airport/cai-cairo-cairo-international-airport/1ef266de-eb26-69e8-bb1a-06bb2780ed98)
- [Helena Regional Airport (HLN)](https://www.flightduration.online/airport/hln-helena-helena-regional-airport/1ef266df-20d7-6808-b3f9-06bb2780ed98)
- [Flight duration calculator](/#calculator)