|Distance:||1.9 miles (3.1 km)|
|Route outline (key)|
The B1239 is a short rural B-road to the east of Hull.
It starts on the B1238 on the eastern edge of the village of Bilton and then heads southeast, passing a few scattered buildings but no places of any size. A minor road leaves to the east before the B1239 enters Preston and ends on the northern side of the village on the B1240.