Maryland Route 667 (MD 667) is a state highway in the U.S. state of Maryland. The highway runs 17.61 miles (28.34 km) from Chesapeake Avenue in Crisfield east to U.S. Route 13 (US 13) in West Pocomoke. MD 667 forms the old alignment of MD 413 from Crisfield to Hudson Corner in southern Somerset County. The highway has a curvaceously course through the villages of Hopewell and Marion Station while MD 413 passes them on a straight course. The portion of MD 667 between Hudson Corner and West Pocomoke serves the community of Rehobeth. This segment, which was built as Maryland Route 406, serves as a shortcut allowing traffic between Crisfield and Pocomoke City to avoid Westover at the junction of MD 413 and US 13. Portions of MD 667 are part of the .