The reflection coefficient hits 100% exactly at the critical angle. More rigorously, consider that an analysis of the boundary conditions at the interface requires that the two polarizations of light have reflectances:
Distance from Ruskin, FL to Palmetto, FL 18 Miles or 29 Km. How many hours? 24 mins
Driving distance from Ruskin, FL to Charlotte, NC. The total driving distance from Ruskin, FL to Charlotte, NC is 600 miles or 966 kilometers. Your trip begins in Ruskin, Florida. It ends in Charlotte, North Carolina. If you are planning a road trip, you might also want to calculate the total driving time from Ruskin, FL to Charlotte, NC so you can see when you'll arrive at your destination.