arango> db.geo2.drop();
true

arango> db.geo2.ensureGeoIndex("location.latitude", "location.longitude");
{ "id" : "geo2/23735273", "type" : "geo2", "unique" : false, "constraint" : false, "fields" : [ "location.latitude", "location.longitude" ], "isNewlyCreated" : true }


arango> for (i = -90;  i <= 90;  i += 10) 
.......>   for (j = -180; j <= 180; j += 10)
.......>     db.geo2.save({ name : "Name" + i + "-" + j,
.......>                    location: { latitude : i,
.......>                                longitude : j } });

arango> db.geo2.near(0, 0);
{ "location" : { "latitude" : 0, "longitude" : 0 }, "name" : "Name0-0", "_id" : "geo2/73466820", "_key" : "73466820" }
{ "location" : { "latitude" : 0, "longitude" : -10 }, "name" : "Name0--10", "_id" : "geo2/73401284", "_key" : "73401284" }
.
.
{ "location" : { "latitude" : 20, "longitude" : -10 }, "name" : "Name20--10", "_id" : "geo2/75891652", "_key" : "75891652" }
{ "location" : { "latitude" : 10, "longitude" : 20 }, "name" : "Name10-20", "_id" : "geo2/74843076", "_key" : "74843076" }
...more results...