Major cities near Warren, TX. This is a list of large cities closest to Warren, TX. A big city usually has a population of at least 200,000 and you can often fly into a major airport. If you need to book a flight, search for the nearest airport to Warren, TX. 1  82 miles to Houston, TX. 2  194 miles to Baton Rouge, LA. 3  200 miles to Austin, TX. 4  207 miles to Dallas, TX. 5  207 miles to Garland, TX.