g_travel_time_template

- platform: template
  center_map_on:
    value_template: >-
      {% set center = states.input_select.center_map_on.state %}
      {% if center == "Jeremy"%}
        {% set lat = states.device_tracker.first_device.attributes.latitude %}
        {% set long = states.device_tracker.first_device.attributes.longitude %}
      {% elif center == "Anja"%}
        {% set lat = states.device_tracker.second_device.attributes.latitude %}
        {% set long = states.device_tracker.second_device.attributes.longitude %}
      {% else %}
        {% set lat = states.device_tracker.first_device.attributes.latitude %}
        {% set long = states.device_tracker.first_device.attributes.longitude %}
      {% endif %}
      {{ [lat,long]|join(',') }}