# Distance from Helsinki (HEL) to Ontario (ONT)

> 8,978 km · estimated flight time 12h · Long-haul route.

## Summary

- **Distance**: 8,978 km / 5,579 mi / 4,848 nm
- **Estimated flight time**: 12h
- **Heading**: 329° (north northwest)
- **Return heading**: 18° (north northeast)
- **Classification**: Long-haul
- **Type**: International (Finland) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -10h (When it's 07:57 in Helsinki, it's 21:57 in Ontario)
- **Elevation difference**: 765 ft (ONT is higher than HEL)

## Airports

### [Helsinki Vantaa Airport (HEL)](https://www.flightduration.online/airport/hel-helsinki-helsinki-vantaa-airport/1ef266de-c121-6940-a083-06bb2780ed98)

- City: Helsinki, Finland
- ICAO: EFHK
- Timezone: Europe/Helsinki
- Coordinates: 60.320000, 24.960000
- Elevation: 179 ft

### [Ontario International Airport (ONT)](https://www.flightduration.online/airport/ont-ontario-ontario-international-airport/1ef266df-30d9-6922-9430-06bb2780ed98)

- City: Ontario, United States
- ICAO: KONT
- Timezone: America/Los_Angeles
- Coordinates: 34.060000, -117.600000
- Elevation: 944 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 07:57 in Helsinki, it's 21:57 in Ontario.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Helsinki Vantaa Airport (HEL)](https://www.flightduration.online/airport/hel-helsinki-helsinki-vantaa-airport/1ef266de-c121-6940-a083-06bb2780ed98)
- [Ontario International Airport (ONT)](https://www.flightduration.online/airport/ont-ontario-ontario-international-airport/1ef266df-30d9-6922-9430-06bb2780ed98)
- [Flight duration calculator](/#calculator)