# Distance from Dublin (DUB) to Ontario (ONT)

> 8,265 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,265 km / 5,135 mi / 4,463 nm
- **Estimated flight time**: 11h
- **Heading**: 307° (northwest)
- **Return heading**: 35° (northeast)
- **Classification**: Long-haul
- **Type**: International (Ireland) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -8h (When it's 23:44 in Dublin, it's 15:44 in Ontario)
- **Elevation difference**: 702 ft (ONT is higher than DUB)

## Airports

### [Dublin Airport (DUB)](https://www.flightduration.online/airport/dub-dublin-dublin-airport/1ef266de-c74c-6446-a37d-06bb2780ed98)

- City: Dublin, Ireland
- ICAO: EIDW
- Timezone: Europe/Dublin
- Coordinates: 53.420000, -6.270000
- Elevation: 242 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 23:44 in Dublin, it's 15:44 in Ontario.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Dublin Airport (DUB)](https://www.flightduration.online/airport/dub-dublin-dublin-airport/1ef266de-c74c-6446-a37d-06bb2780ed98)
- [Ontario International Airport (ONT)](https://www.flightduration.online/airport/ont-ontario-ontario-international-airport/1ef266df-30d9-6922-9430-06bb2780ed98)
- [Flight duration calculator](/#calculator)