# Distance from Rome (FCO) to Helena (HLN)

> 8,749 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,749 km / 5,436 mi / 4,724 nm
- **Estimated flight time**: 11h
- **Heading**: 325° (northwest)
- **Return heading**: 39° (northeast)
- **Classification**: Long-haul
- **Type**: International (Italy) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -8h (When it's 07:58 in Rome, it's 23:58 in Helena)
- **Elevation difference**: 3,862 ft (HLN is higher than FCO)

## Airports

### [Leonardo Da Vinci (Fiumicino) International Airport (FCO)](https://www.flightduration.online/airport/fco-rome-leonardo-da-vinci-fiumicino-international-airport/1ef266df-5138-6e48-8f07-06bb2780ed98)

- City: Rome, Italy
- ICAO: LIRF
- Timezone: Europe/Rome
- Coordinates: 41.800000, 12.250000
- Elevation: 15 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 a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 07:58 in Rome, it's 23:58 in Helena.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Leonardo Da Vinci (Fiumicino) International Airport (FCO)](https://www.flightduration.online/airport/fco-rome-leonardo-da-vinci-fiumicino-international-airport/1ef266df-5138-6e48-8f07-06bb2780ed98)
- [Helena Regional Airport (HLN)](https://www.flightduration.online/airport/hln-helena-helena-regional-airport/1ef266df-20d7-6808-b3f9-06bb2780ed98)
- [Flight duration calculator](/#calculator)