Interstate 35 is a major Interstate Highway in the central United States. As with most interstates that end in a five, it is a major cross-country, north-south route stretching from Laredo, Texas, at the Mexican-American border to Duluth, Minnesota. At 1,568 miles, Interstate 35 is the ninth-longest Interstate Highway, and the third-longest north-south Interstate Highway.
In addition to the Dallas-Fort Worth and Minneapolis-Saint Paul areas, the major cities that I-35 also connects to include (from south to north) San Antonio; Austin, Texas; Oklahoma City; Kansas City; and Des Moines.