Interstate 270 (I-270) is an auxiliary interstate highway that forms a beltway loop freeway in the Columbus metropolitan area in the US state of Ohio, commonly known locally as The Outerbelt or the Jack Nicklaus Freeway. The zero-milepost is at the junction with I-71 east of Grove City. I-270, along with I-670, provides access to John Glenn Columbus International Airport. The entire length of I-270 is 54.97 miles (88.47 km). It is one of four Interstate loops not to run concurrently with another Interstate freeway, the others being I-295 in Florida, I-485 in North Carolina, and I-610 in Texas.