Hermosillo is served by General Ignacio Pesqueira García International Airport (HMO), with domestic connections to Mexico City, Guadalajara, and Monterrey, as well as some cross-border flights to US cities. By road, the city lies on International Highway 15, 171 miles south of the US border crossing at Nogales and 88 miles north of the port city of Guaymas. Long-distance buses connect Hermosillo to major cities across Mexico and to border crossings on the Arizona side.