If you are organizing a local women’s march on Jan 21, make sure to get your march listed at Womens March – Sister Marches! Do that after you get a facebook event set up.
Raleigh, Charlotte and Greensboro already have facebook events set up.
If you are looking for transportation to Washington DC, check with https://womensmarch.squarespace.com/transportation. Asheville NOW and Charlotte NOW have busses going, but they are full.