Term RMS refers to the mathematical Root Mean Square which is an average of peaks and valleys of a materials surface profile. Ra stands for roughness average. Ra is a average of only peaks; therefore, to get an Ra, multiple your 3.2 to 6.3 by 2 to get 6.4 to 12.4 Ra. AF Kenton.
Closest Airport to Siesta Key, FL. The closest airport is Sarasota Bradenton International Airport (SRQ). Distance from Sarasota Bradenton International Airport to Siesta Key is 10,4 kilometers (6,5 miles).
More trip calculations. vacation deals to Siesta Key, FL. Driving distance from TPA to Siesta Key, FL. The total driving distance from TPA to Siesta Key, FL is 59 miles or 95 kilometers. Your trip begins at Tampa International Airport in Tampa, Florida. It ends in Siesta Key, Florida. If you are planning a road trip, you might also want to calculate the total driving time from TPA to Siesta Key, FL so you can see when you'll arrive at your destination.