Come By Chance is a town on the Avalon Peninsula in Newfoundland and Labrador, Canada. It is in Division 1 on Placentia Bay.Located in this town is Newfoundland's only oil refinery, the Come By Chance Refinery operated by North Atlantic Refining Company, which has a capacity of.According to the 2016 Statistics Canada Census: Population: 228Dwellings: 95Area (km².): 39.7Density (persons per km².): 5.7Notable people Bob Gladney, National Hockey League player