Prieuré de Flers-en-Escrebieux
Priory located in Nord, in France.
Each edition grades its towns against each other only.

All of it lies outside: 4 places within 5 km of its centre, none in Leforest. Look for 2 châteaux, an abbey and a museum. Beyond the town, Estourmel sits 37 km away.
Next to Prieuré de Flers-en-Escrebieux, the best known are 2 châteaux and a museum.
Best known first: by how many Wikipedia and sister-site articles cover each place (Wikidata’s count). It isn’t a ranking of how good they are.
Leave town to the north for most of the 4 nearby.
The first 20 on the list, numbered as below. The shape is the commune of Leforest; the orange dot is its centre. © OpenStreetMap contributors · commune boundary: IGN
Most common are châteaux or heritage sites: 3 of 4.
Dark: in Leforest. Light: in the communes within 5 km of its centre.
4 places, all within 5 km of its centre, make the list.
Nothing is mapped in Leforest itself; these are within 5 km of its centre.
Estourmel, at 37 km, heads the 12.
MuseumLouvre-Lens18 km west, in Lens
MuseumPalais des Beaux-Arts de Lille21 km north, in Lille
CathedralCathédrale Notre-Dame-de-la-Treille23 km north, in Lille
MuseumLille Métropole Musée d'Art moderne, d'Art contemporain et d'Art brut23 km north, in Villeneuve-d'AscqCathedralCathedralCathédrale Notre-Dame-et-Saint-Vaast d'Arras26 km southwest, in Arras
ChâteauChâteau de Flers23 km north, in Villeneuve-d'AscqMonastery or conventMonastery or conventAbbaye de Flines8 km east, in Flines-lez-RachesAbbeyAbbeyAbbaye Saint-Sauveur d'Anchin13 km southeast, in PecquencourtChâteauChâteauCitadelle de Lille23 km north, in LilleCathedralCathedralCathédrale Notre-Dame-de-Grâce de Cambrai32 km southeast, in Cambrai
AttractionFort de Seclin13 km north, in SeclinPlaces within 40 km of Leforest with an article in both French and English Wikipedia, nearest first.
Nothing is mapped in Leforest itself, but within 5 km there are Prieuré de Flers-en-Escrebieux, Château de Bernicourt, Domaine du Chateau Béghin and Le château blanc.
One, in town or within 5 km: Château de Bernicourt.
The nearest with articles in both French and English Wikipedia: Estourmel (37 km), Louvre-Lens (18 km), Palais des Beaux-Arts de Lille (21 km), Cathédrale Notre-Dame-de-la-Treille (23 km).
From OpenStreetMap and Wikidata: named museums, galleries, châteaux, abbeys, gardens, zoos, theme parks and other visitor attractions whose mapped point lies inside the commune of Leforest, then those in the communes within 5 km of its centre, and well-known places within 40 km. Houses, ruins and gardens need a sign they’re open to visitors; places marked private, closed or disused are left out. The historic-monument link is the Culture ministry’s Mérimée record. A place that isn’t mapped isn’t listed, so this isn’t everything there is to see.
Sources: OpenStreetMap (© OpenStreetMap contributors, ODbL), Wikidata (CC0: descriptions, websites, Wikipedia articles), the Culture ministry’s Mérimée database (Licence Ouverte 2.0), IGN commune boundaries. Distances are from the commune’s centre point.
Photos from Wikimedia Commons, each under its own licence (our copy, resized).
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.