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.
1 Driving from Miami to West Palm Beach. 2  Distance: 70 miles. 3  Driving Time: 1 hour, 20 minutes. 4  Continuing up the east coast brings you to West Palm Beach, with sandy beaches, great shopping and fine dining. Driving from Miami to Key West. 2  Distance: 160 miles. 3  Driving Time: 3 hours, 30 minutes. 4  The slow drive will cause this 160 mile trip to take you up to four hours, but the scenic drive is part of the pleasure of the Keys!