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In Val-d'Oise · INSEE / geo.api.gouv.fr

The cities closest to the sea in Val-d'Oise

Osny is the city closest to the sea in Val-d'Oise, at 118 km, ahead of Cergy (120 km) and Vauréal (120 km). At the other end, Gonesse is the city furthest from the sea, at 143 km.

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The 38 cities of Val-d'Oise ranked on distance to the sea
RankCityDistance to the seaPopulation
1Osny118 km17,954
2Cergy120 km70,906
3Vauréal120 km16,079
4Persan120 km14,359
5Pontoise122 km31,970
6Jouy-le-Moutier122 km17,854
7L'Isle-Adam122 km12,493
8Beaumont-sur-Oise122 km10,232
9Saint-Ouen-l'Aumône123 km25,578
10Éragny-sur-Oise124 km18,436
11Pierrelaye127 km10,130
12Herblay-sur-Seine128 km31,779
13Taverny129 km27,593
14Saint-Leu-la-Forêt130 km16,138
15Montigny-lès-Cormeilles131 km22,457
16Franconville133 km37,754
17Cormeilles-en-Parisis133 km27,292
18Domont133 km16,065
19Ermont134 km29,489
20Sannois135 km26,924
21Eaubonne135 km26,211
22Fosses135 km10,570
23Montmorency136 km21,763
24Soisy-sous-Montmorency136 km18,008
25Saint-Brice-sous-Forêt136 km15,063
26Argenteuil137 km106,130
27Saint-Gratien137 km21,336
28Bezons138 km36,434
29Enghien-les-Bains138 km11,432
30Sarcelles139 km59,173
31Villiers-le-Bel139 km30,053
32Deuil-la-Barre139 km23,099
33Louvres139 km12,560
34Goussainville140 km31,301
35Montmagny140 km15,105
36Arnouville141 km15,023
37Garges-lès-Gonesse142 km41,791
38Gonesse143 km27,707

Every city of Val-d'Oise →

The same ranking for the whole of France : The French cities closest to the sea · The French cities farthest from the sea

The cities closest to the sea in, elsewhere

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The other rankings of Val-d'Oise

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Scope, method and sources

Scope: France, metropolitan and overseas, Corsica and the DROM included. This dataset holds every commune of 10,000 inhabitants or more, plus smaller communes famous enough to be household names, 1,131 in all. It is not the full list of 35,000 French communes, so a village can sit outside a ranking whose extreme it would otherwise hold. This particular ranking is metropolitan only: the distance to the coast is measured against the coastlines of the Hexagon and Corsica, which would put an overseas port thousands of kilometres from a sea it sits on, so no value is published for overseas France rather than a wrong one.

Method and sources: populations are the INSEE legal populations, boundaries and coordinates come from the IGN commune registry, both served by geo.api.gouv.fr. Density is the population divided by the commune's area; distances are measured as the crow flies from the commune's centre. Data read on August 28, 2026.

4 questions about this ranking
What is the city closest to the sea in Val-d'Oise?
Osny, at 118 km, ahead of Cergy (120 km).
What is the city furthest from the sea in Val-d'Oise?
Gonesse, at 143 km. 38 cities of Val-d'Oise are measured here.
Where does Osny stand in France?
447 of the 1,052 French cities measured on distance to the sea. The national ranking is on its own page.
Which cities lead in Val-d'Oise?
Osny (118 km), Cergy (120 km), Vauréal (120 km), Persan (120 km), Pontoise (122 km). The whole table is on this page.