Written By: Bitumen, dense, highly viscous, petroleum-based hydrocarbon that is found in deposits such as oil sands and pitch lakes (natural bitumen) or is obtained as a residue of the distillation of crude oil (refined bitumen).
  About 3.5 hours-maybe 4 depending on road construction. The hardest part is getting out of Miami to Key Largo-then it's a 2 lane highway through all the keys to Key â¦ West with alot of traffic lights in between. If you are coming from Miami-definitely take the toll road.
Driving distance from Miami, FL to Key Largo, FL. The total driving distance from Miami, FL to Key Largo, FL is 63 miles or 101 kilometers. Your trip begins in Miami, Florida. It ends in Key Largo, Florida. If you are planning a road trip, you might also want to calculate the total driving time from Miami, FL to Key Largo, FL so you can see when you'll arrive at your destination.