55018
It runs from Piraeus station to Kifissia station and covers a distance of 25.6 - kilometre ( 15.9 " mi ) .
 Piraeus, Kifissia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Piraeus, Kifissia