Served by the largest airport in the Delaware Valley, the city of Philadelphia only a few miles from the Philadelphia International Airport. The city center is a short 20-minute ride and can be reached via the SEPTA airport line or taxi. A one-day convenience pass for SEPTA is also available, making it easy to get around and tour the city. Often listed as one of America’s more dangerous cities, it is important for visitors to understand where they are and which areas of the city should be avoided, especially in the evening hours.