Port Columbus International Airport (airport code CMH) is located 6 miles east of downtown Columbus, Ohio. Gateway to central Ohio, Columbus Airport has 151 non-stop flights to 34 airports on 15 airlines and over 6 million passengers per year. There are 17 daily flights to Chicago, Illinois, and 20 flights to New York City. The airport has three terminals, Concourse A, Concourse B and Concourse C. The city is accessible by rental car, bus, and taxi via I-670. Two transportation companies, Arch Transportation and Dublin Express provide direct shuttles (with or without reservations) to downtown every 20 minutes. Direct bus service (Route 52) is also provided to Ohio State University.