# Distance from Altamira (ATM) to Chicago (ORD)

> 6,181 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 6,181 km / 3,841 mi / 3,338 nm
- **Estimated flight time**: 8h
- **Heading**: 328° (north northwest)
- **Return heading**: 135° (southeast)
- **Classification**: Long-haul
- **Type**: International (Brazil) → United States
- **Intercontinental**: South America → North America
- **Time difference**: -2h (When it's 17:58 in Altamira, it's 15:58 in Chicago)
- **Elevation difference**: 311 ft (ORD is higher than ATM)

## Airports

### [Altamira Airport (ATM)](https://www.flightduration.online/airport/atm-altamira-altamira-airport/1ef266df-94a8-619c-aa24-06bb2780ed98)

- City: Altamira, Brazil
- ICAO: SBHT
- Timezone: America/Santarem
- Coordinates: -3.250000, -52.250000
- Elevation: 369 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 17:58 in Altamira, it's 15:58 in Chicago.

## Related

- [Altamira Airport (ATM)](https://www.flightduration.online/airport/atm-altamira-altamira-airport/1ef266df-94a8-619c-aa24-06bb2780ed98)
- [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)