For Samaná, go to Asotraihs (it's hard to notice but the stop is in front of Banco La Dinamarca) and take a bus or guagua to Hato Mayor (RD$130, 1¼ hours, hourly, 4:40am to 8:10pm) and transfer to the bus for Sabana…
Guaguas to Bávaro (RD$120 to RD$130, one hour, every 15 minutes, 4:55am to 10:30pm) leave from the Sitrabapu terminal 1.2km east of the Basilica de Nuestra Señora de la Altagracia – about a RD$50 motoconcho ride.
Buses to Santo Domingo (RD$260 to RD$285, two hours, every 20 minutes, 3:30am to 8:30pm) leave from the large Aptpra terminal. There are at least two expresos per hour.
Guaguas to La Romana (RD$100, 45 minutes, every 30 minutes, 5:30am to 10pm) leave from the small Sitraihr station on Av La Altagracia just west of Av Laguna Llana.