If you want to know how far it is between Washington DC and Cape Town, the straight line distance is 7,892 miles
or 12,700 kilometers
If you are a pilot flying a private plane, you can fly straight from Washington, DC to Cape Town, South Africa for a total flight time of 16 hours, 17 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 IAD and CPT.