# Distance from Chicago (ORD) to Rennes/Saint-Jacques (RNS)

> 6,443 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,443 km / 4,004 mi / 3,479 nm
- **Estimated flight time**: 9h
- **Heading**: 52° (northeast)
- **Return heading**: 299° (west northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → France
- **Intercontinental**: North America → Europe
- **Time difference**: +7h (When it's 09:30 in Chicago, it's 16:30 in Rennes/Saint-Jacques)
- **Elevation difference**: 556 ft (RNS is lower than ORD)

## Airports

### [Chicago O'Hare International Airport (ORD)](https://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

### [Rennes-Saint-Jacques Airport (RNS)](https://flightduration.online/airport/rns-rennessaint-jacques-rennes-saint-jacques-airport/1ef266df-4cb1-66cc-9b10-06bb2780ed98)

- City: Rennes/Saint-Jacques, France
- ICAO: LFRN
- Timezone: Europe/Paris
- Coordinates: 48.070000, -1.730000
- Elevation: 124 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 09:30 in Chicago, it's 16:30 in Rennes/Saint-Jacques.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Chicago O'Hare International Airport (ORD)](https://flightduration.online/airport/ord-chicago-chicago-ohare-international-airport/1ef266df-3115-6742-b012-06bb2780ed98)
- [Rennes-Saint-Jacques Airport (RNS)](https://flightduration.online/airport/rns-rennessaint-jacques-rennes-saint-jacques-airport/1ef266df-4cb1-66cc-9b10-06bb2780ed98)
- [Flight duration calculator](/#calculator)