The World Health Organization warned in its 2007 report that infectious diseases are emerging at a rate that has not been seen before. Since the 1970s, about 40 infectious diseases have been discovered, including SARS, MERS, Ebola, chikungunya, avian flu, swine flu and, most recently, Zika.
Driving distance from Boston, MA to Philadelphia, PA. The total driving distance from Boston, MA to Philadelphia, PA is 306 miles or 492 kilometers. Your trip begins in Boston, Massachusetts. It ends in Philadelphia, Pennsylvania.
Distance from Philadelphia, PA to Nashville, TN. The total distance from Philadelphia, PA to Nashville, TN is 685 miles. This is equivalent to 1â102 kilometers or 595 nautical miles. Your trip begins in Philadelphia, Pennsylvania. It ends in Nashville, Tennessee. Your flight direction from Philadelphia, PA to Nashville, TN is West (-109 degrees from North). The distance calculator helps you figure out how far it is to fly from Philadelphia, PA to Nashville, TN. It does this by computing the straight line flying distance (as the crow flies).