Program.cs

var geometryFactory = NtsGeometryServices.Instance.CreateGeometryFactory(srid: 4326);

var myLocation = geometryFactory.CreatePoint(new Coordinate(-69.938951, 18.481188));

using (var context = new ApplicationDbContext())
{
    var restaurants = context.Restaurants
        .OrderBy(x => x.Location.Distance(myLocation))
        .Where(x => x.Location.IsWithinDistance(myLocation, 2000))
        .Select(x => new { x.Name, x.City, Distance = x.Location.Distance(myLocation) })
        .ToList();

    Console.WriteLine("-----------");

    foreach (var restaurant in restaurants)
    {
        Console.WriteLine($"{restaurant.Name} from {restaurant.City} ({restaurant.Distance.ToString("N0")} meters away)");
    }
}