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JavaScript

var data = [{
    "Paket": [{
        "farbe": "#ff0000",
            "Koordinaten": [{
            "paketaufenthaltsort": "469\/31 A 1; A 3; A 4",
                "y": "5",
                "x": "0"
        }, {
            "paketaufenthaltsort": "469\/31 A 1; A 3; A 4",
                "y": "5",
                "x": "150"
        }, {
            "paketaufenthaltsort": "469\/31 A 1; A 3; A 4",
                "y": "0",
                "x": "150"
        }],
        "Paketnummer": "11000005"
    }],
    "offset": "5",
    "referenzzeitraum": "1440"
}];

data.forEach(function(d) {
    d.Paket.forEach(function(p) {
        var orte = p.Koordinaten.map(function(k) {
            return k.paketaufenthaltsort;
        });
        console.log(orte);
    });
});