We've just added a new dimension to our AdWords connector in Funnel. You now have access to Days to Conversion via the Google Ads Beta API.
In order to take advantage of this new dimension, all you need to do is create a new Beta API connection or edit an existing one and ensure that the field is selected:

You can learn more about the data you can obtain from AdWords in this article.
We hope you find this additional field useful. If you have any questions or if you require any assistance, please contact support@funnel.io and we'll be happy to help :)