State Road 445 (SR 445) is a short connector route, just 2.807 miles (4.517 km) long, in eastern Greene County, just north of the small town of Cincinnati. It connects SR 54, SR 45, and I-69 (Exit 104).
SR 445 begins at SR 54 with a flashing light, near the Greene County Inn (also a cafe). It then runs east to a three-way intersection where it meets SR 45. It then continues east, coming to its eastern terminus at exit 104 on Interstate 69 (I-69).