query: SELECT ?place ?placeLabel ?location ?instanceLabel
  WHERE
  {
    wd:Q20252220 wdt:P625 ?loc .
    SERVICE wikibase:around {
        ?place wdt:P625 ?location .
        bd:serviceParam wikibase:center ?loc .
        bd:serviceParam wikibase:radius "100" .
    }
    OPTIONAL {    ?place wdt:P31 ?instance  }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
    BIND(geof:distance(?loc, ?location) as ?dist)
  } ORDER BY ?dist