Interstate 270 (abbreviated I-270) is the beltway loop freeway in the Columbus metropolitan area, commonly known locally as "The Outerbelt," or the "Jack Nicklaus Freeway." The "western" (and "eastern") terminus of I-270, at least in terms of the zero-milepost, is at the junction with I-71 east of Grove City, Ohio. I-270, along with I-670, provides access to Port Columbus International Airport. The entire length of I-270 is . It is one of four interstate loops not to share with another interstate freeway, the others being I-295, I-485, and I-610.