diff --git a/workers/closest.py b/workers/closest.py
new file mode 100644
index 0000000..c4c383d
--- /dev/null
+++ b/workers/closest.py
@@ -0,0 +1,76 @@
+import overpy
+import math
+import workers.val
+
+def getOSM(lat, lon, distance = 1000):
+ query = """
+(
+ node
+  (around:%i,%f,%f)
+  ["railway"~"tram_stop|station|subway"]
+  [name];
+ >;
+
+ node
+  (around:%i,%f,%f)
+  ["highway"="bus_stop"]
+  [name];
+ >;);
+
+out;
+""" % (distance, lat, lon, distance, lat, lon)
+
+ api = overpy.Overpass()
+ res = api.query(query)
+
+ return res.nodes
+
+def cDistance(lat1, lon1, lat2, lon2):
+ lat1, lon1, lat2, lon2 = map(math.radians, [lat1, lon1, lat2, lon2])
+
+ dila = lat2 - lat1
+ dilo = lon2 - lon1
+
+ diff = 2 * math.asin(math.sqrt(math.sin(dila/2) ** 2 + math.cos(lat1) * math.cos(lat2) * math.sin(dilo/2) ** 2))
+
+ dis = diff * 6371000
+
+ return dis
+
+def getStations(nodes, distance = 1000, lat = None, lon = None):
+ unodes = list(set([node.tags["alt_name"].split(",")[0] if "alt_name" in node.tags and len(node.tags["alt_name"].split(",")[0]) > len(node.tags["name"]) else node.tags["name"] for node in nodes]))
+ for node in unodes:
+  for station in workers.val.validateName(node):
+   if lat and lon:
+    idistance = cDistance(station.lat(), station.lon(), lat, lon)
+    if idistance < distance:
+     station.distance = idistance
+     yield station
+     break
+   else:
+    yield station
+    break
+
+def findStations(lat, lon, distance = 1000, validate = True):
+ stations = list(getStations(getOSM(lat, lon, distance), distance, lat if validate else None, lon if validate else None))
+
+ if validate:
+  return sorted(stations, key = lambda station: station.distance)
+
+ return stations
+
+def worker(lat, lon, distance = 1000):
+ outtext = """<?xml version="1.0" encoding="UTF-8"?>
+<stations>
+"""
+
+ for station in findStations(lat, lon, distance):
+  try:
+   idistance = int(station.distance)
+  except:
+   idistance = int(cDistance(station.lat(), station.lon(), lat, lon))
+  outtext += "<station><name>%s</name><id>%s</id><distance>%i</distance></station>\n" % (station.name, station.useId(), idistance)
+
+ outtext += "</stations>"
+
+ return outtext