# Distance from Cascais Airport (CAT) to Chicago (ORD)

> 6,422 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,422 km / 3,990 mi / 3,467 nm
- **Estimated flight time**: 9h
- **Heading**: 301° (west northwest)
- **Return heading**: 65° (east northeast)
- **Classification**: Long-haul
- **Type**: International (Portugal) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -6h (When it's 21:24 in Cascais Airport, it's 15:24 in Chicago)
- **Elevation difference**: 355 ft (ORD is higher than CAT)

## Airports

### [Cascais Airport (CAT)](https://www.flightduration.online/airport/cat-cascais-airport/1ef266df-5574-614c-8750-06bb2780ed98)

- City: Cascais Airport, Portugal
- ICAO: LPCS
- Timezone: Europe/Lisbon
- Coordinates: 38.730000, -9.360000
- Elevation: 325 ft

### [Chicago O'Hare International Airport (ORD)](https://www.flightduration.online/airport/ord-chicago-chicago-ohare-international-airport/1ef266df-3115-6742-b012-06bb2780ed98)

- City: Chicago, United States
- ICAO: KORD
- Timezone: America/Chicago
- Coordinates: 41.980000, -87.910000
- Elevation: 680 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 21:24 in Cascais Airport, it's 15:24 in Chicago.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Cascais Airport (CAT)](https://www.flightduration.online/airport/cat-cascais-airport/1ef266df-5574-614c-8750-06bb2780ed98)
- [Chicago O'Hare International Airport (ORD)](https://www.flightduration.online/airport/ord-chicago-chicago-ohare-international-airport/1ef266df-3115-6742-b012-06bb2780ed98)
- [Flight duration calculator](/#calculator)