Maryland Route 314 is a state highway in the U.S. state of Maryland. The state highway runs 4.93 miles (7.93 km) from the beginning of state maintenance along Sunset Avenue in Greensboro east to the Delaware state line in Whiteleysburg, where the highway continues east as Delaware Route 12. What is now MD 314 was paved in Greensboro in the 1910s. The remainder of the state highway to Whiteleysburg was constructed in the late 1920s. MD 314 west of MD 480 was originally MD 315. When MD 313 bypassed Greensboro in 1950, MD 314 was extended west to its present terminus.

Greensboro is a town located on the banks of the Choptank River in Caroline County, Maryland, United States. The population was 1,931 at the 2010 United States Census. The ZIP code is 21639. The primary phone exchange is 482 and the area code is 410. The town is served by Maryland Routes 480 and 313.