# Distance from Marham (MRH) to Chicago (ORD)

> 6,344 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 6,344 km / 3,942 mi / 3,426 nm
- **Estimated flight time**: 8h
- **Heading**: 298° (west northwest)
- **Return heading**: 46° (northeast)
- **Classification**: Long-haul
- **Type**: International (United Kingdom) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -6h (When it's 23:31 in Marham, it's 17:31 in Chicago)
- **Elevation difference**: 605 ft (ORD is higher than MRH)

## Airports

### [RAF Marham (MRH)](https://www.flightduration.online/airport/mrh-marham-raf-marham/1ef266de-c698-6c16-9961-06bb2780ed98)

- City: Marham, United Kingdom
- ICAO: EGYM
- Timezone: Europe/London
- Coordinates: 52.650000, 0.550000
- Elevation: 75 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 23:31 in Marham, it's 17:31 in Chicago.
With a 6-hour time difference, expect significant jet lag.

## Related

- [RAF Marham (MRH)](https://www.flightduration.online/airport/mrh-marham-raf-marham/1ef266de-c698-6c16-9961-06bb2780ed98)
- [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)