U.S. Route 331[II], is an urge of U.S. Route 31. It presently runs for 151 miles from Montgomery, Alabama at U.S. Route 80 & U.S. Route 82 to Santa Rosa Beach, Florida east of Fort Walton Beach at U.S. Route 98. Distinct U.S. Route 131, U.S. Route 231 & U.S. Route 431, U.S. 331 in no way intersects with its "parent" route, U.S. Route 31; the 2 routes come within 4 miles of each other in Montgomery.