Cathédrale Notre-Dame de Noyon
Cathedral located in Oise, in France.
Each edition grades its towns against each other only.

5 of the 8 places to visit in and around Sempigny are châteaux or heritage sites. All of them lie outside Sempigny. Château de Pierrefonds, 23 km away, is the best-known day out.
After Cathédrale Notre-Dame de Noyon come 2 museums, 2 abbeys and a monastery.
MuseumMusée du Noyonnais2.9 km north, in NoyonMonastery or conventMonastery or conventChâteau du Mont-Renaud1.7 km northwest, in PasselAbbeyAbbeyAbbaye Royale de Saint-Éloi de Noyon2.6 km north, in NoyonAbbeyAbbeyAbbaye Saint-Barthélemy de Noyon2.9 km north, in NoyonMuseumMuseumMusée Jean Calvin2.9 km north, in NoyonBest 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.
The 8 outside town cluster to the north.
The first 20 on the list, numbered as below. The shape is the commune of Sempigny; the orange dot is its centre. © OpenStreetMap contributors · commune boundary: IGN
Most are châteaux or heritage sites, 5 in all, ahead of museums or galleries (2).
Dark: in Sempigny. Light: in the communes within 5 km of its centre.
Everything here is within 5 km of its centre, 8 places in all.
Cathedral located in Oise, in France.
Abbey located in Oise, in France.
Abbey located in Oise, in France.
Nothing is mapped in Sempigny itself; these are within 5 km of its centre.
Château de Pierrefonds, 23 km away, is the best known of the 12.
ChâteauChâteau de Compiègne19 km southwest, in CompiègneAttractionAttractionCathédrale Saint-Gervais-et-Saint-Protais de Soissons31 km southeast, in Soissons
MuseumCamp de Royallieu22 km southwest, in CompiègneAttractionAttractionAbbaye de Prémontré30 km east, in PrémontréMuseumMuseumWolfsschlucht II32 km east, in MargivalChâteauChâteauChâteau de Ham22 km north, in Ham
AbbeyAbbaye royale de Saint-Médard de Soissons32 km southeast, in SoissonsAbbeyAbbeyAbbaye Saint-Jean-des-Vignes31 km southeast, in SoissonsAttractionAttractionClairière de l'Armistice16 km southwest, in Compiègne
MuseumMusée national de la voiture et du tourisme19 km southwest, in CompiègnePlaces within 40 km of Sempigny with an article in both French and English Wikipedia, nearest first.
Nothing is mapped in Sempigny itself, but within 5 km there are Cathédrale Notre-Dame de Noyon, Musée du Noyonnais, Château du Mont-Renaud and Abbaye Royale de Saint-Éloi de Noyon.
2 museums and galleries in town or within 5 km, including Musée du Noyonnais and Musée Jean Calvin.
The nearest with articles in both French and English Wikipedia: Château de Pierrefonds (23 km), Château de Coucy (24 km), Château de Compiègne (19 km), Cathédrale Saint-Gervais-et-Saint-Protais de Soissons (31 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 Sempigny, 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.