If you want to know how far it is between Chicago and Buenos Aires, the straight line distance is 5,578 miles
or 8,978 kilometers
If you are a pilot flying a private plane, you can fly straight from Chicago, IL to Buenos Aires, Argentina for a total flight time of 11 hours, 39 minutes
Book a flight:
If you're a traveler planning a trip and you want to book a commercial flight, you can try searching for flights between ORD and EZE.