Twenty is a village in the South Kesteven district of Lincolnshire, England. It is situated approximately 3 miles east of Bourne, and 5 miles west of Spalding. Twenty is situated on the A151 road, possibly originally a Roman road or Norman causeway, a road today notable for the very deep drainage dyke that runs alongside it. Nearby are Guthram Gowt and …Twenty is a village in the South Kesteven district of Lincolnshire, England. It is situated approximately 3 miles east of Bourne, and 5 miles west of Spalding. Twenty is situated on the A151 road, possibly originally a Roman road or Norman causeway, a road today notable for the very deep drainage dyke that runs alongside it. Nearby are Guthram Gowt and West Pinchbeck. Immediately to the south is the River Glen.