A reader has responded to my post of yesterday with some useful information, which I am passing on:

Following up on your suggestion re supporting organizations that fund transportation and other expenses for women who have to travel to obtain abortion services — there’s the National Network of Abortion Funds at abortionfunds.org and the NY Abortion Action Fund at nyaaf.org

To target donations to organizations based in Texas, a recent article in Salon includes links to a number of such organizations. https://www.salon.com/2021/09/02/abortion-funds-and-beyond-here-are-the-best-ways-to-help-texans/