251558
Saint-Omer was chosen as a site conveniently close to England ( it is 24 miles from Calais ) , and ruled by Spain as part of Flanders .
 Saint-Omer, Calais, Flanders
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Saint-Omer, Calais, Flanders