The distance from Dulles to Chicago is approximately 1,000 km. Flying is the most practical method, with direct flights from Dulles (IAD) to O'Hare (ORD) taking about 2 hours. Driving would take over 11 hours, making it less feasible for a short trip. Chicago is a major city known for its architecture, museums, and deep-dish pizza.
Total Distance: 1,000 km driving, 950 km air distance.
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Summer and Fall for pleasant weather.