State Road 438 (SR 438) is an east–west state highway in Orange County, Florida. Its western terminus is an interchange with State Road 429 (Western Beltway) in Ocoee and it runs east to Rio Grande Avenue in Orlando. The road formerly extended further west to CR 455 near Montverde and further east to U.S. Route 17 (US 17) and US 92 in Orlando, for a historic total mileage of 22.00 miles (35.41 km). The current route is truncated to 10.144 miles (16.325 km).