List of highways numbered 109

Canada

• New Brunswick Route 109
• Prince Edward Island Route 109
• Quebec Route 109

  China

• China National Highway 109

  Costa Rica

• National Route 109

  India

• National Highway 109

  Israel

• Route 109

  United States

• U.S. Route 109
• Alabama State Route 109
• Arkansas Highway 109
• California State Route 109
• Colorado State Highway 109
• Connecticut Route 109
• Florida State Road 109
• Georgia State Route 109
• Illinois Route 109
• Indiana State Road 109
• Iowa Highway 109
• Kentucky Route 109
• Louisiana Highway 109
• Maine State Route 109
• Maryland Route 109
• Massachusetts Route 109
• M-109
• Minnesota State Highway 109
• * County Road 109
• * County Road 109
• Missouri Route 109
• Nebraska Highway 109
• * Nebraska State Spur 109
• New Hampshire Route 109
• * New Hampshire Route 109A
• New Jersey Route 109
• * County Route 109
• ** County Route S109
• * County Route 109
• New Mexico State Road 109
• New York State Route 109
• * County Route 109
• ** County Route 109A
• * County Route 109
• * County Route 109
• * County Route 109
• * County Route 109
• * County Route 109
• ** County Route 109A
• * County Route 109
• * County Route 109
• * County Route 109
• North Carolina Highway 109
• * North Carolina Highway 109A
• * North Carolina Highway 109A
• Ohio State Route 109
• Oklahoma State Highway 109
• South Carolina Highway 109
• South Dakota Highway 109
• Tennessee State Route 109
• Texas State Highway 109
• * Texas State Highway 109
• * Texas State Highway Loop 109
• * Farm to Market Road 109
• Utah State Route 109
• Vermont Route 109
• Virginia State Route 109
• * Virginia State Route 109
• * Virginia State Route 109
• * Virginia State Route 109
• Washington State Route 109
• Wisconsin Highway 109

• Puerto Rico Highway 109