The following highways are numbered 397:
Canada Manitoba Provincial Road 397 Saskatchewan Highway 397 Quebec Route 397
Ireland R397 road (Ireland)
Japan Japan National Route 397
South Africa R397 (South Africa)
Spain
Autovía A-397
United States Arkansas Highway 397 Louisiana Highway 397 Montana Secondary Highway 397 (former) Nevada State Route 397 New York: New York State Route 397 County Route 397 (Erie County, New York) Puerto Rico Highway 397 Tennessee State Route 397 Virginia State Route 397 Washington State Route 397