Holbeach is a market town and civil parish in the South Holland District in Lincolnshire, England. The town lies 8 miles from Spalding; 17 miles …Holbeach is a market town and civil parish in the South Holland District in Lincolnshire, England. The town lies 8 miles from Spalding; 17 miles from Boston; 20 miles from King's Lynn; 23 miles from Peterborough; and 43 miles by road from Lincoln. It is on the junction of the A151 and A17.