Interstate 670 (I-670) is an Interstate Highway in the US state of Ohio that passes through Columbus connecting I-70 west of Downtown Columbus with I-270 and U.S. Route 62 (US 62) near the eastern suburb of Gahanna. I-670 provides access to John Glenn Columbus International Airport and intersects State Route 315 (SR 315) and I-71 downtown. The section between SR 315 and I-71 is commonly referred to by locals as the "North Innerbelt"; the rest of the Innerbelt consists of SR 315 (west), I-70 (south), and I-71.