Streets in Alton Illinois
- Lake Lynn Ests
- Lakeridge Trl
- Lampert St
- Landmarks Blvd
- Langdon St
- La Salle Dr
- Laverne St
- Lawn St
- Lawton St
- Leonard St
- Leo St
- Leroy Ave
- Leverett Ct
- Leverett St
- Liberty St
- Lilac Ln
- Lincoln Ave
- Lincoln St
- Linden St
- Lindenwood Blvd
- Linnet Ln
- Lloyd St
- Lock & Dam Way
- Locust Ave
- Logan Rd
- Logan St
- Lois Ln
- Long Ave
- Longfellow Ave
- Louis St
- Lovejoy Ln
- Lucille Ave
- Lynn Dr
- Mack St
- Madison Ave
- Magnolia Pl
- Maher Way
- Main St
- Mamie St
- Manor Ct
- Maple St
- Marc Dr
- Marian Heights Dr
- Marie Ave
- Marietta Pl
- Marilla St
- Market St
- Marquette Dr
- Marshall St
- Marsh Ave
- Martin Luther King Dr
- Mather St
- Maupin Ave
- Maurice St
- Maxeiner Way
- Maxey St
- Mayfield Ave
- Mcadams Pkwy
- Mcarthur Blvd
- Mcclure Ave
- Mccormick Dr
- Mcelroy St
- Mcginnis St
- Mcguan St
- Mcinerney St
- Mckinley Blvd
- Mcpherson Ave
- Meadow Ln
- Mechanic St
- Memorial Dr
- Merchant St
- Meridocia St
- Miami Ave
- Michigan Ave
- Middlebrook Pl
- Mikes Way
- Mildred St
- Miller St
- Millie Ln
- Mills Ave
- Mill St
- Milnor St
- Milton Dr
- Milton Rd
- Mission Rd
- Missouri Ave
- Mitchell St
- Monroe St
- Monterey Pl
- Monument Ave
- Moonlight Way
- Moore St
- Moreland Ave
- Morning Star Dr
- Morrison St
- Mound St
- Mounier St
- Mulberry St
- Muny Vista Ct
- Muny Vista Dr
- Myrle St
- Myrtle St