Lamborghini Huracan Crash at 320 km/h. 320 km/h (200 mph) on German Autobahn - Lamborghini Aventador LP 700-4 - Ride. How fast is 320 kilometers per hour? What is 320 kilometers per hour in miles per hour? This simple calculator will allow you to easily convert 320 km/h to mph. Convert 320 Kilometers/Hour to Mile Per Hour. Convert 320 km/h to mph. In 320 kph there are 198.