Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.

Text: item 2 . properties . we conduct our primary operations at the owned and leased facilities described below . location operations conducted approximate square feet expiration new haven , connecticut corporate headquarters and executive , sales , research and development offices 514000 . <table class='wikitable'><tr><td>1</td><td>location</td><td>operations conducted</td><td>approximatesquare feet</td><td>leaseexpirationdates</td></tr><tr><td>2</td><td>new haven connecticut</td><td>corporate headquarters and executive sales research and development offices</td><td>514000</td><td>2030</td></tr><tr><td>3</td><td>dublin ireland</td><td>global supply chain distribution and administration offices</td><td>215000</td><td>owned</td></tr><tr><td>4</td><td>lexington massachusetts</td><td>research and development offices</td><td>81000</td><td>2019</td></tr><tr><td>5</td><td>bogart georgia</td><td>commercial research and development manufacturing</td><td>70000</td><td>2024</td></tr><tr><td>6</td><td>smithfield rhode island</td><td>commercial research and development manufacturing</td><td>67000</td><td>owned</td></tr><tr><td>7</td><td>zurich switzerland</td><td>regional executive and sales offices</td><td>69000</td><td>2025</td></tr></table> we believe that our administrative office space is adequate to meet our needs for the foreseeable future . we also believe that our research and development facilities and our manufacturing facility , together with third party manufacturing facilities , will be adequate for our on-going activities . in addition to the locations above , we also lease space in other u.s . locations and in foreign countries to support our operations as a global organization . as of december 31 , 2015 , we also leased approximately 254000 square feet in cheshire , connecticut , which was the previous location of our corporate headquarters and executive , sales , research and development offices . in december 2015 , we entered into an early termination of this lease and will occupy this space through may 2016 . in april 2014 , we purchased a fill/finish facility in athlone , ireland . following refurbishment of the facility , and after successful completion of the appropriate validation processes and regulatory approvals , the facility will become our first company-owned fill/finish and packaging facility for our commercial and clinical products . in may 2015 , we announced plans to construct a new biologics manufacturing facility on our existing property in dublin ireland , which is expected to be completed by 2020 . item 3 . legal proceedings . in may 2015 , we received a subpoena in connection with an investigation by the enforcement division of the sec requesting information related to our grant-making activities and compliance with the fcpa in various countries . the sec also seeks information related to alexion 2019s recalls of specific lots of soliris and related securities disclosures . in addition , in october 2015 , alexion received a request from the doj for the voluntary production of documents and other information pertaining to alexion's compliance with the fcpa . alexion is cooperating with these investigations . at this time , alexion is unable to predict the duration , scope or outcome of these investigations . given the ongoing nature of these investigations , management does not currently believe a loss related to these matters is probable or that the potential magnitude of such loss or range of loss , if any , can be reasonably estimated . item 4 . mine safety disclosures . not applicable. .
Question: what is the sum of square footage for the new haven and lexington properties?
Answer: 595000.0
Question: what is the square footage in bogart?
Answer: 70000.0
Question: what is the total sum of those 3 locations?
Answer: 665000.0
Question: what is the square footage of zurich?
Answer: 69000.0
Question: what is the total sum?

user
734000.0
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