The following highways are numbered 238:

Canada

• Manitoba Provincial Road 238
• Newfoundland and Labrador Route 238
• Prince Edward Island Route 238
• Quebec Route 238

Costa Rica

• National Route 238

Japan

• Japan National Route 238

United States

• Interstate 238
• Arizona State Route 238
• Arkansas Highway 238
• California State Route 238
• Georgia State Route 238 (former)
• Indiana State Road 238 (former)
• Iowa Highway 238 (former)
• K-238 (Kansas highway)
• Maine State Route 238
• Maryland Route 238
• Minnesota State Highway 238
• Montana Secondary Highway 238
• New Mexico State Road 238
• New York State Route 238
• Ohio State Route 238
• Oregon Route 238
• Pennsylvania Route 238
• Rhode Island Route 238
• South Dakota Highway 238
• Tennessee State Route 238
• Texas State Highway 238
• Utah State Route 238 (former)
• Virginia State Route 238
• Wyoming Highway 238

Territories

• Puerto Rico Highway 238