array (
  'routes' =>
  array (
    0 =>
    array (
      'legs' =>
      array (
        0 =>
        array (
          'summary' => '',
          'weight' => 3741.9,
          'duration' => 2912.3, // This value is what i want access
          'steps' =>
          array (
          ),
          'distance' => 21603.1, // This value is what i want access
        ),
        1 =>
        array (
          'summary' => '',
          'weight' => 3642.1,
          'duration' => 2777.4, // This value is what i want access
          'steps' =>
          array (
          ),
          'distance' => 21611.8, // This value is what i want access
        ),
      ),
      'weight_name' => 'routability',
      'weight' => 7384,
      'duration' => 5689.700000000001, // This value i can acesss
      'distance' => 43214.899999999994, // This value i can acesss too
    ),
  ),
  'waypoints' =>
  array (
    0 =>
    array (
      'hint' => '',
      'distance' => 16.78277948979663, // This value is what i want access
      'name' => 'Weg',
      'location' =>
      array (
        0 => 11.4623,
        1 => 50.7126,
      ),
    ),
    1 =>
    array (
      'hint' => '',
      'distance' => 16.62835508134535,
      'name' => 'Weg',
      'location' =>
      array (
        0 => 12.6069,
        1 => 51.5398,
      ),
    ),
    2 =>
    array (
      'hint' => '',
      'distance' => 16.78277948979663,
      'name' => 'Weg',
      'location' =>
      array (
        0 => 12.343,
        1 => 51.576,
      ),
    ),
  ),
  'code' => 'Ok',
)

foreach($res2['routes'] as $item)
{
    $distances = array_push_assoc($distances, $item['distance'], $item['duration']);
}

foreach($res2['routes']['legs'] as $item)
{
    $durations = array_push_assoc($durations , "DUR", $item['duration']);
}