What city is 3 hours away from Miami?

Could you please clarify the direction and mode of transportation you're considering when asking about the city that's 3 hours away from Miami? If we're talking about driving, there are several cities that could potentially fit this description, depending on the route and traffic conditions. Some possibilities include Orlando, West Palm Beach, or even Key West, depending on the route taken. However, if we're considering flying, the answer would be quite different, as the distance between cities can vary significantly based on the flight path and the speed of the aircraft. Could you please provide more context or specify the mode of transportation you're interested in?